#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
  int n;
  cin >> n;
  string s;
  cin >> s;
  for (int i = 0; i < n; ++i)
  {
    int a;
    cin >> a;
    --a;
    cout << s[a];
  }
  cout << endl;
}