package algo;

import java.util.*;

public class sample7 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		List<Integer> list = new ArrayList<Integer>();
		int H = sc.nextInt();
		list.add(H);
		int N = sc.nextInt();
		for(int i = 1; i < N; i++) {
			list.add(sc.nextInt());
		}
		Collections.sort(list);
		Collections.reverse(list);
		int r = list.indexOf(H) + 1;
		switch (r) {
		case 1:
			System.out.println("1st");
			break;
		case 2:
			System.out.println("2nd");
			break;
		case 3:
			System.out.println("3rd");
			break;
		default:
			System.out.println(r + "th");
		}
	}
}