#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(LL i = a;i<b; i++)
#define rrep(i,a,b) for(LL i = a;i>b-1; i--)
#define INF 100000000
#define ooki 9,223,372,036,854,775,807
#define tii -9,223,372,036,854,775,808
#define PI 3.14159265359
typedef long long LL ;
int main(){  
    string a,s;
    cin>>a>>s;
   // vector<char> a(10);
    rep(i,0,s.size()){
        rep(j,0,10){
            if(s[i]==j+'0'){s[i]=a[j];}
        }
    }
    cout<<s<<endl;
}