题解 | #简单密码#

d = {'1':1,
    'abc':2,
    'def':3,
    'ghi':4,
    'jkl':5,
    'mno':6,
    'pqrs':7,
    'tuv':8,
    'wxyz':9,
    '0':0
}
s = input()
for i in s:
    if i.isupper():
        if i == 'Z':
            print('a',end='')
        else:
            print(chr(ord(i.lower())+1),end='')
    elif i.islower():
        for k,v in d.items():
            if i in k:
                print(v,end='')
    else:
        print(i,end='')