#include <algorithm>
#include <cstdio>
#include <functional>
#include <vector>

using namespace std;

int main() {
  vector<int> heights;
  int H, N;
  scanf("%d%d", &H, &N);
  heights.push_back(H);
  for (int i = 1; i < N; i++) {
    int hi;
    scanf("%d", &hi);
    heights.push_back(hi);
  }
  sort(heights.begin(), heights.end(), greater<int>());
  int rank = 0;
  for (int i = 0; i < N; i++) {
    if (heights[i] == H) {
      rank = i + 1;
      break;
    }
  }

  if (rank == 1)
    printf("%dst", rank);
  else if (rank == 2)
    printf("%dnd", rank);
  else if (rank == 3)
    printf("%drd", rank);
  else
    printf("%dth", rank);
}