/* -*- coding: utf-8 -*-
 *
 * 1335.cc:  No.1335 1337 - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_N = 100;

/* typedef */

/* global variables */

char a[16], s[MAX_N + 4];

/* subroutines */

/* main */

int main() {
  scanf("%s%s", a, s);

  for (int i = 0; s[i]; i++) {
    if (s[i] >= '0' && s[i] <= '9') putchar(a[s[i] - '0']);
    else putchar(s[i]);
  }
  putchar('\n');
  return 0;
}