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

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);  
	int h, n;
	cin >> h >> n;
	vector<int> a(n);
	a[0] = h;
	for(int i = 1; i < n; i++) {
		cin >> a[i];
	}
	sort(a.rbegin(), a.rend());
	for(int i = 0; i < n; i++) {
		if(h == a[i]) {
			if(i == 0) {
				cout << "1st";
			}
			else if(i == 1) {
				cout << "2nd";
			}
			else if(i == 2) {
				cout << "3rd";
			}
			else {
				cout << i + 1 << "th";
			}
			cout << '\n';
			return 0;
		}
	}
	return 0;	
}