# -----------------------------------------------------

# number = int(input())
# d = number%10
# c = (number//10)%10
# b = (number//100)%10
# a = number//1000
# #print(a, b, c, d)

# price = int(input())
# number = 0

# while price:
#     if price//25 != 0:
#         number += price//25
#         price -= price//25*25
#     elif price//10 != 0:
#         number += price//10
#         price -= price//10*10
#     elif price//5 != 0:
#         number += price//5
#         price -= price//5*5
#     elif price//1 != 0:
#         number += price//1
#         price -= price//1*1
# print(number)

# -----------------------------------------------------

# my_string = '192.168.1.115'
# my_list = my_string.split('.')
# my_flag = True
# for i in my_list:
#     if 0 <= int(i) <= 255:
#         my_flag = False

# if my_flag == False:
#     print('NO')
# else:
#     print('YES')

# -----------------------------------------------------

# my_string = 'Hello world'
# splitter = '*'
# my_list = list(my_string)
# print(splitter.join(my_list))