题解 | #游游的整数切割#
游游的整数切割
https://www.nowcoder.com/practice/c01b07fe9623425a806c85cdb6f0e0f7
s = input()
'''
奇数 + 奇数 or 偶数 + 偶数
'''
cnt = 0
if int(s[-1]) & 1:
for i in s[:-1]:
if int(i) & 1:
cnt += 1
else:
for i in s[:-1]:
if int(i) % 2 == 0:
cnt += 1
print(cnt)
