#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
//using mint = modint1000000007;
//using mint = modint998244353;
template <typename T> bool chmax(T &u, const T z) { if (u < z) {u = z; return true;} else return false; }
template <typename T> bool chmin(T &u, const T z) { if (u > z) {u = z; return true;} else return false; }
#define ll long long
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
typedef pair<int, int> P;
const ll INF = 3037000500;
//const int INF=INT_MAX;
//#define endl "\n"
ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; }
ll lcm(ll a, ll b){return a * b / gcd(a, b);}

int main(){
    string a,s,t;
    cin>>a>>s;
    rep(i,s.size()){
        if(isdigit(s[i])){
            t.push_back(a[s[i]-'0']);
        }else t.push_back(s[i]);
    }
    cout<<t<<endl;
    return 0;
}