//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

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++;
  }
  
  print(rank);
  rank %= 10;
  rank == 1 ? printl("st") : rank == 2 ? printl("nd") : rank == 3 ? printl("rd") : printl("th");
  
  return 0;
  
}