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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# from string import ascii_lowercase 
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				+ 
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				+# d = {ascii_lowercase[i]: i + 1 for i in range(len(ascii_lowercase))} 
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				+# print(d) 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# my_dict = {1: "one", 2: "two"} 
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				+# d1 = {'a': 100, 'b': 200, 'c': 333} 
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				+# d2 = {'x': 300, 'y': 200, 'z': 777} 
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				+ 
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				+# print(type(my_dict.items())) 
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				+ 
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				+# for i in my_dict.items(): 
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				+#     print(i[0], i[1]) 
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				+ 
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				+# d2.update(d1) 
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				+# print(d2) 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# n = int(input()) 
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				+# d = {} 
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				+ 
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				+# for i in range(n): 
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				+#     name = input() 
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				+#     if name not in d: 
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				+#         d[name] = 0 
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				+#         print('OK') 
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				+#     else: 
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				+#         d[name] += 1 
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				+#         print(name + str(d[name])) 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+ 
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				+# countries = { 
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				+#     "Sweden": ["Stockholm", "Göteborg", "Malmö"], 
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				+#     "Norway": ["Oslo", "Bergen", "Trondheim"], 
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				+#     "England": ["London", "Birmingham", "Manchester"], 
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				+#     "Germany": ["Berlin", "Hamburg", "Munich"], 
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				+#     "France": ["Paris", "Marseille", "Toulouse"] 
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				+# } 
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				+ 
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				+# city = input() 
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				+# flag = False 
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				+ 
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				+# for key in countries.keys(): 
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				+#     if city in countries[key]: 
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				+#         print(f'INFO: {city} is a city in {key}') 
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				+#         flag = True 
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				+     
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				+# if flag == False: 
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				+#     print(f'ERROR: Country for {city} not found') 
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				+     
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# from pprint import pprint 
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				+ 
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				+# user = { 
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				+#     "id": 4170, 
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				+#     "uid": "5e941db5-9e0f-4f94-9fc5-734110c6be14", 
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				+#     "password": "SyUpfo1ljm", 
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				+#     "first_name": "Teresa", 
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				+#     "last_name": "Wehner", 
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				+#     "username": "teresa.wehner", 
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				+#     "email": "teresa.wehner@email.com", 
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				+#     "gender": "Non-binary", 
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				+#     "phone_number": "+674 424.561.2776", 
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				+#     "social_insurance_number": "637316241", 
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				+#     "date_of_birth": "1993-08-17" 
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				+# } 
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				+ 
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				+# user['secret'] = user.pop('password') 
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				+# user['surname'] = user.pop('last_name') 
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				+# pprint(user) 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# l = list(map(int, input().split())) 
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				+ 
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				+# d = {} 
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				+# cnt = -3 
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				+# for i in range(len(l) - 1): 
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				+#     if len(d) == 0: 
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				+#         d = {l[-2]:l[-1]}     
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				+#     else: 
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				+#         d = {l[cnt]:d} 
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				+#         cnt -= 1 
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				+ 
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				+# print(d)     
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# s = 'waejskldcnvawefigas,dfaswe' 
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				+# d = {} 
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				+# for i in s: 
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				+#     if i.isalpha(): 
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				+#         d[i] = d.get(i, 0) + 1 
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				+ 
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				+# print(d) 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# workers = { 
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				+#     'employer1': {'name': 'Jhon', 'salary': 7500}, 
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				+#     'employer2': {'name': 'Emma', 'salary': 8000}, 
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				+#     'employer3': {'name': 'Brad', 'salary': 500} 
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				+# } 
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				+ 
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				+# workers['employer3']['salary'] = 8500 
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				+# print(workers) 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# supermarket = { 
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				+#     "milk": {"quantity": 20, "price": 1.19}, 
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				+#     "biscuits": {"quantity": 32, "price": 1.45}, 
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				+#     "butter": {"quantity": 20, "price": 2.29}, 
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				+#     "cheese": {"quantity": 15, "price": 1.90}, 
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				+#     "bread": {"quantity": 15, "price": 2.59}, 
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				+#     "cookies": {"quantity": 20, "price": 4.99}, 
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				+#     "yogurt": {"quantity": 18, "price": 3.65}, 
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				+#     "apples": {"quantity": 35, "price": 3.15}, 
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				+#     "oranges": {"quantity": 40, "price": 0.99}, 
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				+#     "bananas": {"quantity": 23, "price": 1.29} 
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				+# } 
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				+ 
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				+# sum = 0 
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				+ 
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				+# for i in supermarket.keys(): 
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				+#     sum += supermarket[i]['quantity'] * supermarket[i]['price'] 
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				+     
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				+# print(sum) 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# Сколько раз встречается каждая буква 
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				+# s = input().lower() 
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				+# d = {} 
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				+# for i in s: 
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				+#     if i.isalpha(): 
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				+#         d[i] = d.get(i, 0) + 1 
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				+ 
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				+# print(d) 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# morze = {'a': '•—', 'b': '—•••', 'c': '—•—•', 'd': '—••', 
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				+#          'e': '•', 'f': '••—•', 'g': '——•', 'h': '••••', 
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				+#          'i': '••', 'j': '•———', 'k': '—•—', 'l': '•—••', 
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				+#          'm': '——', 'n': '—•', 'o': '———', 'p': '•——•', 
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				+#          'q': '——•—', 'r': '•—•', 's': '•••', 't': '—', 
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				+#          'u': '••—', 'v': '•••—', 'w': '•——', 'x': '—••—', 
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				+#          'y': '—•——', 'z': '——••'} 
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				+ 
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				+# l = list(input().split()) 
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				+# for i in l: 
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				+# 	for j in i: 
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				+# 		print(morze[j.lower()], end=' ') 
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				+# 	print() 
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				+ 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# { 
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				+#     'Bob Moore': { 
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				+#         'salary': 330000, 
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				+#         'gender': 'M', 
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				+#         'passport': '1635777202' 
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				+#     }, 
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				+#     'Gina Moore': { 
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				+#         'salary': 12500, 
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				+#         'gender': 'F', 
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				+#         'passport': '1639999999' 
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				+#     } 
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				+# } 
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				+ 
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				+# persons= [ 
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				+#     ('Allison Hill', 334053, 'M', '1635644202'), 
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				+#     ('Megan Mcclain', 191161, 'F', '2101101595'), 
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				+#     ('Brandon Hall', 731262, 'M', '6054749119'),  
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				+#     ('Michelle Miles', 539898, 'M', '1355368461'), 
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				+#     ('Donald Booth', 895667, 'M', '7736670978'),  
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				+#     ('Gina Moore', 900581, 'F', '7018476624'), 
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				+#     ('James Howard', 460663, 'F', '5461900982'),  
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				+#     ('Monica Herrera', 496922, 'M', '2955495768'), 
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				+#     ('Sandra Montgomery', 479201, 'M', '5111859731'),  
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				+#     ('Amber Perez', 403445, 'M', '0602870126') 
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				+# ] 
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				+ 
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				+# data = {} 
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				+ 
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				+# for i in persons: 
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				+# 	data[i[0]] = {'salary': i[1], 'gender': i[2], 'passport': i[3]} 
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				+		 
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				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
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				+ 
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				+# from pprint import pprint 
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				+ 
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				+# data = { 
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				+#     "my_friends": { 
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				+#         "count": 10, 
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				+#         "people": [{ 
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				+#             "first_name": "Kurt", 
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				+#             "id": 621547005, 
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				+#             "last_name": "Cobain", 
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				+#             "bdate": "31.8.2005" 
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				+#         }, { 
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				+#             "first_name": "Виолетта", 
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				+#             "id": 484200150, 
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				+#             "last_name": "Кастилио", 
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				+#         }, { 
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				+#             "first_name": "Иринка", 
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				+#             "id": 21886133, 
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				+#             "last_name": "Бушуева", 
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				+#             "bdate": "28.8.1942" 
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				+#         }, { 
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				+#             "first_name": "Данил", 
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				+#             "id": 282456573, 
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				+#             "last_name": "Греков", 
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				+#             "bdate": "4.7.2002" 
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				+#         }, { 
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				+#             "first_name": "Валентин", 
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				+#             "id": 184902932, 
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				+#             "last_name": "Долматов", 
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				+#             "bdate": "25.5" 
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				+#         }, { 
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				+#             "first_name": "Евгений", 
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				+#             "id": 620469646, 
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				+#             "last_name": "Шапорин", 
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				+#             "bdate": "6.12.1982" 
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				+#         }, { 
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				+#             "first_name": "Ангелина", 
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				+#             "id": 622328862, 
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				+#             "last_name": "Краснова", 
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				+#             "bdate": "4.11.1995" 
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				+#         }, { 
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				+#             "first_name": "Иван", 
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				+#             "id": 576015198, 
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				+#             "last_name": "Вирин", 
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				+#             "bdate": "2.2.1915" 
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				+#         }, { 
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				+#             "first_name": "Паша", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#             "id": 386922406, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#             "last_name": "Воронов", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#             "bdate": "27.9" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#         }, { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#             "first_name": "Ольга", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#             "id": 622170942, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#             "last_name": "Савченкова", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#             "bdate": "20.12" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#         }] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# l = data.get('my_friends').get('people') 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# my_list = [] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# for i in l: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# 	my_list.append(i.get('first_name')) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# my_list.sort() 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# for i in my_list: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# 	print(i) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# user = { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "id": 4170, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "uid": "5e941db5-9e0f-4f94-9fc5-734110c6be14", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "password": "SyUpfo1ljm", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "first_name": "Teresa", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "last_name": "Wehner", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "username": "teresa.wehner", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "email": "teresa.wehner@email.com", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "gender": "Non-binary", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "phone_number": "+674 424.561.2776", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "social_insurance_number": "637316241", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "date_of_birth": "1993-08-17", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "employment": { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#         "title": "Central Hospitality Liaison", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#         "key_skill": "Organisation" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     }, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     "subscription": { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#         "plan": "Essential", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#         "status": "Idle", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#         "payment_method": "Debit card", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#         "term": "Annual" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# keys = list(input().split()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# my_dict = {i:user.get(i) for i in keys} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# print(my_dict) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# people = [ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Amy Smith', '694.322.8133x22426'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Brian Shaw', '593.662.5217x338'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Christian Sharp', '118.197.8810'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Sean Schmidt', '9722527521'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Thomas Long', '163.814.9938'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Joshua Willis', '+1-978-530-6971x601'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Ann Hoffman', '434.104.4302'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['John Leonard', '(956)182-8435'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Daniel Ross', '870-365-8303x416'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Jacqueline Moon', '+1-757-865-4488x652'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Gregory Baker', '705-576-1122'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Michael Spencer', '(922)816-0599x7007'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Austin Vazquez', '399-813-8599'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Chad Delgado', '979.908.8506x886'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#     ['Jonathan Gilbert', '9577853541'] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# ] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# phone_book = {i[1]: i[0] for i in people} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# print(phone_book) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# from random import randint 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# n = 5 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# m = 3 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# a = [[randint(1, 6) for j in range(m)] for i in range(n)] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# for i in a: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+# 	print(i) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+from random import randint 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+n = 5 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+m = 5 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+a = [[randint(1, 6) for j in range(m)] for i in range(n)] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+for i in a: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	print(i) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+b = [a[i][j] for j in range(n) for i in range(m) if i == j] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+print('Main diag: ', b) 
			 |