while True:

    try:

        string=input()

        if string!="!":

            res=""

            for i in string:

                if i.isupper():

                    res+=chr(ord("Z")-(ord(i)-ord("A")))

                elif i.islower():

                    res += chr(ord("z") - (ord(i) - ord("a")))

                else:

                    res+=i

            print(res)

    except:

        break