题解 | #竞选社长#
竞选社长
http://www.nowcoder.com/practice/45a30e3ef51040ed8a7674984d6d1553
s = input()[:-1]
a,b = s.count('A'),s.count('B')
if a == b:
print('E')
elif a > b:
print('A')
else:
print('B')
竞选社长
http://www.nowcoder.com/practice/45a30e3ef51040ed8a7674984d6d1553
s = input()[:-1]
a,b = s.count('A'),s.count('B')
if a == b:
print('E')
elif a > b:
print('A')
else:
print('B')
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