using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using System.Text;

public class Program
{

	public void Proc()
	{
        int[] inpt = Reader.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();

        int target = inpt[0];
        int cnt = inpt[1];

        List<int> list = new List<int>();
        for (int i = 0; i < cnt-1; i++) {
            list.Add(int.Parse(Reader.ReadLine()));
        }
        list.Add(target);
        list = list.OrderByDescending(a => a).ToList();
        int ans = list.IndexOf(target) + 1;

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



    public class Reader
	{
		private static StringReader sr;
		public static bool IsDebug = false;
		public static string ReadLine()
		{
			if (IsDebug)
			{
				if (sr == null)
				{
					sr = new StringReader(InputText.Trim());
				}
				return sr.ReadLine();
			}
			else
			{
				return Console.ReadLine();
			}
		}
		private static string InputText = @"



157 4
160
175
168

";
	}

	public static void Main(string[] args)
	{
#if DEBUG
		Reader.IsDebug = true;
#endif
		Program prg = new Program();
		prg.Proc();
	}
}