flag = flag.encode()
    for i in range(3):
        flag = base64.b16encode(flag)
        flag = base64.b32encode(flag)
        flag = base64.b64encode(flag)

    fernet = Fernet(key)

    for i in range(3):
        flag = fernet.encrypt(flag)

    for i in range(3):
        flag = binascii.hexlify(flag)