while(1):
    try:
        s=input()
        if(s=='!'):
            break
        l=len(s)
        for i in s:
            if i.isalpha():
                if i.islower():
                    print(chr(ord('a')+ord('z')-ord(i)),end='')
                    continue
                elif i.upper():
                    print(chr(ord('A') + ord('Z') - ord(i)), end='')
                    continue
            else:
                print(i,end='')
                continue
        print()
    except:
        break