import java.util.*;

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