using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    public void Solve()
    {
        int[] HN = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray();
        int rank = 1;
        for (int i = 0; i < HN[1] - 1; i++)
        {
            int H = int.Parse(Console.ReadLine());
            if (HN[0] < H) { rank++; }
        }

        var rankStr = rank.ToString();
        switch (rankStr.Substring(rankStr.Length - 1))
        {
            case "1":
                Console.WriteLine(rankStr + "st");
                break;
            case "2":
                Console.WriteLine(rankStr + "nd");
                break;
            case "3":
                Console.WriteLine(rankStr + "rd");
                break;
            default:
                Console.WriteLine(rankStr + "th");
                break;
        }
    }

    static void Main()
    {
        var solver = new Program();
        solver.Solve();
    }
}