#include "bits/stdc++.h"

using namespace std;

signed main() {
	int h, n;
	cin >> h >> n;
	int num =1;
	for (int i = 0; i < n - 1; i++) {
		int hl;
		cin >> hl;
		if (h < hl) {
			num++;
		}
	}
	string res = to_string(num);
	if (num == 1) {
		res += "st";
	}
	else if (num == 2) {
		res += "nd";
	}
	else if (num == 3) {
		res += "rd";
	}
	else {
		res += "th";
	}
	cout << res << endl;
	
}