简单py

import string
a='ABCDEFGHIJKLMNOPQRSTUVWXYZAabcdefghijklmnopqrstuvwxyza'
s=input()
for i in s:
    if i in string.ascii_letters:
        print(a[a.index(i)+1],end='')
    else:
        print(i,end='')