#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
ALFAVIT = ('АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ ')
alfavit2 = ALFAVIT


text = input("Введите текст: \n")
text = text.upper()        
key = input("Введите ключевое слово: ")
key = key.upper()
keykey = key*(len(text)//len(key)) + key[:len(text) - len(key*(len(text)//len(key)))]
shifr = ""
n_bykvi = 0

while len(shifr) != len(text):
    n_alf = 0
    for i in alfavit2:
        if i == keykey[n_bykvi]:
            break
        else:
            n_alf += 1
    alfavit2 = alfavit2[n_alf:] + alfavit2[:n_alf]
    b_text = text[n_bykvi]
    b_shifr = alfavit2[ALFAVIT.index(b_text)]
    shifr += b_shifr
    n_bykvi +=1
print (shifr)
input ('нажмите Enter')