#include <cstdio>
#include <string>
#include <iostream>
using namespace std;

const int N = 100;
int h, n, ans = 1;
int H[N];

int main(){
	cin >> h >> n;
	for(int i = 0;i < n - 1;i++){
		cin >> H[i];
	}

	for(int i = 0;i < n - 1;i++){
		if(h < H[i]) ans++;
	}
	if(ans % 10 == 1){
		cout << ans << "st" << endl;
	}else if(ans % 10 == 2){
		cout << ans << "nd" << endl;
	}else if(ans % 10 == 3){
		cout << ans << "rd" << endl;
	}else{
		cout << ans << "th" << endl;
	}

	return 0;
}