#include <bits/stdc++.h>
using namespace std;

int main() {
	int H, N;
	cin >> H >> N;

	vector<vector<int>> v(N, vector<int>(2, 0));
	v.at(0).at(0) = H;
	v.at(0).at(1) = 1;

	for (int i = 1; i < N; i++) {
		cin >> v.at(i).at(0);
	}

	sort(v.begin(), v.end());
	reverse(v.begin(), v.end());
	int n = 0;
	for (int i = 0; i < N; i++) {
		//cout << v.at(i).at(0) << v.at(i).at(1) << endl;
		if (v.at(i).at(1) == 1) {
			n = i + 1;
			break;
		}
	}

	int x = n % 10;
	string s;
	if (x == 0) s = "th";
	if (x == 1) s = "st";
	if (x == 2) s = "nd";
	if (x == 3) s = "rd";
	if (x > 3) s = "th";

	cout << n << s << endl;
}