#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main(){
    int n;
    cin >> n;
    string s;
    cin >> s;
    rep(i,n){
        int x;
        cin >> x;
        x--;
        cout << s[x];
    } 
    cout << endl;
    return 0;
}