codewars/courses/python_for_begginers/enumerate.py

a = [10, 20, 30, 40, 50]
s = 'hello'
t = ('apple', 'banana', 'mango')
d = {'a': 1, 'b': 2, 'c': 3}


# for index, value in enumerate(a):
# 	print(index, value)

# for index, value in enumerate(a, 1):
# 	print(index, value)


#  оно же с параметром start
# for index, value in enumerate(a, 1):
# 	print(index, value)

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~	

# words = ['feel', 'graduate', 'movie', 'fashionable', 'bacon', 
#          'drop', 'produce', 'acquisition', 'cheap', 'strength', 
#          'master', 'perception', 'noise', 'strange', 'am']

# words_with_position = list()

# for index, value in enumerate(words, start=1):
# 	words_with_position.append((value, index))

# print(words_with_position)

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~	

# english_words = ('attack', 'bless', 'look', 'reckless', 'short', 'monster', 'trolley', 'sound',
#                  'ambiguity', 'researcher', 'trunk', 'coat', 'quantity', 'question', 'tenant',
#                  'miner', 'definite', 'kit', 'spectrum', 'satisfied', 'selection', 'carve',
#                  'ask', 'go', 'suggest')

# for index, value in enumerate(english_words, start=1):
# 	print(f'Word № {index} = {value}')

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~	

num = list(input())
num.reverse()

new_list = [int(value)*2 if index%2 == 0 else int(value) for index, value in enumerate(num, start=1)]
for i in range(len(new_list)):
	if new_list[i] > 9:
		new_list[i] -= 9

if sum(new_list)%10 == 0:
	print('True')
else:
	print('False')