def find_max_count(in_list):
    max_count = 0
    for i in in_list:
        count = 0
        for j in in_list:
            if j == i:
                count += 1
        if max_count < count:
            el = i
            max_count = count
    return el


def ask_word():
    word = input('input your encrypted word separated with space ' ' : ')
    return word.split()


def new_alphabet(translation):
    alphabet = 'abcdefghijklmnopqrstuvwxyz'
    ret = alphabet[translation:] + alphabet[:translation]
    return ret


def decode(to_decode):
    """decode en trouvant le e qui est la chaine de character la plus presente

    :to_decode: TODO
    :returns: TODO

    """
    max_char = int(find_max_count(to_decode))
    decalage = 5 - max_char
    language = new_alphabet(decalage)
    decoded = [language[int(i) - 1] for i in to_decode]

    return decoded


if __name__ == "__main__":
    letters = ask_word()
    d = decode(letters)
    [print(i, end='') for i in d]