import java.util.*;

class Main {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		int H = in.nextInt();
		int N = in.nextInt();
		int ans = 1;
		for (int i = 0; i < N-1; i++) {
			int hi = in.nextInt();
			if (H < hi) {
				ans++;
			}
		}
		if (ans%10 == 1) {
			System.out.println(ans + "st");
		} else if (ans%10 == 2) {
			System.out.println(ans + "nd");
		} else if (ans%10 == 3) {
			System.out.println(ans + "rd");
		} else {
			System.out.println(ans + "th");
		}
	}
}