import java.util.*;

class Main {
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		
		int nama = sc.nextInt();
		int n = sc.nextInt();
		Integer[] ar = new Integer[n];
		ar[0] = nama;
		for (int i=1; i<n; i++) ar[i] = sc.nextInt();
		Arrays.sort(ar, Comparator.reverseOrder());
		
		int ans = -1;
		for (int i=0; i<n; i++) {
			if (ar[i] == nama) {
				ans = i+1;
			}
		}
		
		if (ans == 1) System.out.println("1st");
		else if (ans == 2) System.out.println("2nd");
		else if (ans == 3) System.out.println("3rd");
		else {
			System.out.println(ans+"th");
		}
		
	}
}