#include "bits/stdc++.h"

using namespace std;
using ll = long long;
using IP = pair<int, int>;

#define INF 999999999
#define atcoder(int)1e9+7

int main() {

	int H, N;
	int cnt = 1;
	cin >> H >> N;

	for (int i = 0; i < N -1; i++) {
		int a;
		cin >> a;
		if (H < a)cnt++;
	}
	if (cnt %10 == 1)cout << cnt << "st" << endl;
	else if (cnt %10 == 2)cout << cnt << "nd" << endl;
	else if (cnt %10 == 3)cout << cnt << "rd" << endl;
	else cout << cnt << "th" << endl;

	return 0;
}