# This ecrypts strin

def encodedCharacter(c):
    if c == 'a':
        return 'd'
    elif c == 'b':
        return 'e'
    elif c == 'c':
        return 'f'
    else:
        return "*"

def code(s):
    answer = ""
    for c in s:
        new_c = encodedCharacter(c)
        answer = answer + new_c
    return answer

def main():
    string = raw_input("Enter a string: " )
    encodedString = code(string)
    print "That encodes as %s" % encodedString
#    decodedString = decode(encodedString)
#    print "And decodes as %s" % decodedString
    
main()