#include <bits/stdc++.h>

using namespace std;


int main()
{
  int H, N;
  cin >> H >> N;
  int rank = 1;
  for(int i = 0; i < N - 1; i++) {
    int x;
    cin >> x;
    if(H < x) ++rank;
  }

  cout << rank;
  if(rank % 10 == 1) cout << "st\n";
  else if(rank % 10 == 2) cout << "nd\n";
  else if(rank % 10 == 3) cout << "rd\n";
  else cout << "th\n";

}