题解 | #简单密码#

def convert(code):
    res=[]
    mystring='abcdefghijklmnopqrstuvwxyza'
    for i in code:
        if 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)
            elif i in 'wxyz':
                res.append(9)
        elif i.isupper():
            m=mystring.index(i.lower())
            res.append(mystring[m+1])
        else:
            res.append(i)
    return res

code=input()
print(''.join(str(i) for i in convert(code)))