using System;

public class Multiply
{
    public static void Main()
    {
        string[] hn = Console.ReadLine().Split(' ');
        int H = int.Parse(hn[0]);
        int N = int.Parse(hn[1]);
        int[] Hi = new int[N];
        int num = 1;

        for (int i = 0; i < N-1; i++)
        {
            Hi[i] = int.Parse(Console.ReadLine());
        }

        for (int i = 0; i < N; i++)
        {
            if (H < Hi[i])
            {
                num++;
            }
        }

        if (num % 10 == 1)
        {
            Console.WriteLine(num + "st");
        }
        else if (num % 10 == 2)
        {
            Console.WriteLine(num + "nd");
        }
        else if (num % 10 == 3)
        {
            Console.WriteLine(num + "rd");
        }
        else
        {
            Console.WriteLine(num + "th");
        }
    }
}