Python HackerRank|The Minion Game

def minion_game(string):
vowels = 'AEIOU'
Stuart = 0
Kevin = 0
length = len(string)
for i in range(length):
if string[i] in vowels:
Kevin += (length - i)
else:
Stuart += (length - i)
# For example, BANANA, 'B'(s[0]) not in vowels, so B, BA, BAN, BANA, BANAN, BANANA, altogether 6(length - 0), are all we need.
if Stuart > Kevin:
print('Stuart', Stuart)
elif Stuart < Kevin:
print('Kevin', Kevin)
else:
print('Draw')

if __name__ == '__main__':
s = input()
minion_game(s)