#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";
  return 0;
}