题解 | #字符串加解密#

import sys


#注意大小写的逻辑，如果判断了特殊情况要直接continue，注意任何变量的类型
def encoding(s: str):

    for i in s:
        if i == '9'or i == "Z" or i == "z":
            if i == '9':
                L.append(str(0))
            if i == "Z":
                L.append('a')
            if i == "z":
                L.append('A')
            # print(i)
            continue
        elif i.isupper():
            i = i.lower()  # 要先大小写变化
            i = chr(ord(i) + 1)
            # print(i)
        elif i.islower():
            i = i.upper()
            i = chr(ord(i) + 1)

        elif i.isnumeric():
            i = str(int(i) + 1)
        L.append(i)
    return L


def decoding(s: str):

    for i in s:
        if i == '0' or i == "A" or i == "a":
            if i == '0':
                LL.append(str(9))
            if i == "A":
                LL.append('z')
            if i == "a":
                LL.append('Z')
            # print(i)
            continue
        elif i.isupper():
            i = i.lower()  # 要先大小写变化
            i = chr(ord(i) -1)
            # print(i)
        elif i.islower():
            i = i.upper()
            i = chr(ord(i) -1)
            # print(i)
        elif i.isnumeric():
            i = str(int(i) -1)
            # print(i)
        LL.append(i)
        # print(LL)
    return LL
s1 = input().strip()
L=[]
print("".join(encoding(s1)))
LL=[]
s2 = input().strip()
print("".join(decoding(s2)))