#include <bits/stdc++.h>
// #include <atcoder/modint>
#define rng(a) a.begin(),a.end()
#define rrng(a) a.rbegin(),a.rend()
#define INF 2000000000000000000
#define ll long long
#define ld long double
#define pll pair<ll, ll>
using namespace std;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  string A;
  cin >> A;
  string S;
  cin >> S;
  for (ll i = 0; i < S.size(); ++i) {
    if ('0' <= S.at(i) && S.at(i) <= '9') {
      S.at(i) = A.at(S.at(i) - '0');
    }
  }
  cout << S << "\n";
}