题解 | #简单密码#

mima = str(input())

res = []
 
for i in mima:
    if i.isupper() and i != 'Z':
        i = i.lower()
        res.append(chr(ord(i.lower()) + 1))
    elif i.isupper() and i == 'Z':
        res.append("a")
    
    elif i.islower():
        if i in 'abc':
            res.append('2')
        elif i in 'def':
            res.append('3')
        elif i in 'ghi':
            res.append('4')
        elif i in 'jkl':
            res.append('5')
        elif i in 'mno':
            res.append('6')
        elif i in 'pqrs':
            res.append('7')
        elif i in 'tuv':
            res.append('8')
        else:
            res.append('9')
    else:
        res.append(i)

print("".join(res))