#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <sstream>
#include <complex>
#include <algorithm>
#include <functional>
#include <vector>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <cassert>
#include <fstream>
#define REP(i,n) for(int i=0;i<n;i++)
#define FOR(a,b) for(:a<b;a++)
#define SSTR( x ) static_cast< std::ostringstream & >( \
        ( std::ostringstream() << std::dec << x ) ).str()
#define ALL(s) (s).begin(), (s).end()
using namespace std;
typedef long long unsigned int llu;
typedef long long ll;

int main (){
  vector <int> in;
  int H,N;
  while (cin >> H >> N){
    REP(i,N-1){
      int a;
      cin >> a;
      in.push_back(a);
    }
    sort(ALL(in));
    reverse(ALL(in));
    int cnt = 1;
    REP(i,N-1){
      if(in[i] < H )break; 
      cnt++;
    }
    cout << cnt;
    switch(cnt % 10){
    case 1:
      cout << "st" << endl;
      break;
    case 2:
      cout << "nd" << endl;
      break;
    case 3:
      cout << "rd" << endl;
      break;
    default:
      cout << "th" << endl;
    }
  }
  return 0;
}