题解 | #字符串加解密#

A = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
B = 'bcdefghijklmnopqrstuvwxyzaBCDEFGHIJKLMNOPQRSTUVWXYZA1234567890'

def jiami(x):
    res = ''
    for i in x:
        m = A.find(i)
        if m == -1:
            res += i
        else:
            res += B[m]
    return res

def jiemi(x):
    res = ''
    for i in x:
        m = B.find(i)
        if m == -1:
            res += i
        else:
            res += A[m]
    return res

print(jiami(input()))
print(jiemi(input()))