import re

class cypher():

    def __init__(self, text):
        self.text = text

    def multiple_replace(text):
        dict = {
            "a": "z",
            "b": "y",
            "c": "x",
            "f": "u",
            "d": "w",
            "e": "v",
            }

        # Create a regular expression  from the dictionary keys
        regex = re.compile("(%s)" % "|".join(map(re.escape, dict.keys())))

        # For each match, look-up corresponding value in dictionary
        return regex.sub(lambda mo: dict[mo.string[mo.start():mo.end()]], text)


test = input(str('What do you want cyphered. '))

fixed = cypher.multiple_replace(test)
print()
print(fixed)