# -*-coding:utf-8-*-
import string
while True:
        try:
            input_1,input_str = input(),input() #输入一个单词,以及要加密的明文str
            str_a = list(string.ascii_lowercase) #生成明文组
            str_plain = ''.join(str_a)
            str_key_1 = sorted(list(set(input_1)) , key=input_1.index) #给单词去重
            str_key_2 = ''.join(str_key_1)
            str_b = ''
            for i in str_a:
                if i not in str_key_1:
                    str_b += i
            str_key = str_key_2 + str_b #形成秘文组
            for s in input_str: #生成密文
                x = str_plain.index(s)
                print(str_key[x] , end='')
            print()
        except:
            break