//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

int main(){
  string S, A; cin >> S >> A;
  int a = (int)A.size();
  
  for(int i = 0; i < a; i++){
    if('0' <= A[i] and A[i] <= '9'){
      int j = A[i]-'0';
      
      A[i] = S[j];
    }
  }
  
  printl(A);
  
  return 0;
}