/* -*- coding: utf-8 -*-
 *
 * 564.cc: No.564 背の順 - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_N = 1000;

/* typedef */

/* global variables */

int hs[MAX_N];

/* subroutines */

/* main */

int main() {
  int h, n;
  scanf("%d%d", &h, &n);
  hs[0] = h;

  for (int i = 1; i < n; i++) scanf("%d", &hs[i]);
  sort(hs, hs + n, greater<int>());

  for (int i = 0; i < n; i++)
    if (hs[i] == h) {
      int k = i + 1;
      switch (k % 10) {
      case 1: printf("%dst\n", k); break;
      case 2: printf("%dnd\n", k); break;
      case 3: printf("%drd\n", k); break;
      default: printf("%dth\n", k); break;
      }
      break;
    }

  return 0;
}