import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int n = sc.nextInt();
		int[] x = new int[n];
		x[0] = h;
		for(int i = 1 ; i < n ; i++) x[i] = sc.nextInt();
		Arrays.sort(x);
		for(int i = n - 1 ; i >= 0 ; i--) {
			if(h == x[i]) {
				int rank = n - i;
				if(rank % 10 == 1) {
					System.out.println(rank + "st");
					return;
				} else if(rank % 10 == 2) {
					System.out.println(rank + "nd");
					return;
				} else if(rank % 10 == 3) {
					System.out.println(rank + "rd");
					return;
				} else {
					System.out.println(rank + "th");
					return;
				}
			}
		}
	}
}