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

namespace YukiCoder
{
    class Program
    {
        static void Main(string[] args)
        {
            var va = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int nn = 1;
            for (int i = 0; i < va[1] - 1; i++)
            {
                if(va[0]<int.Parse(Console.ReadLine()))     nn++;
            }
            string S = nn == 1 ? "1st" : nn == 2 ? "2nd" : nn == 3 ? "3rd" : nn.ToString() + "th";
            Console.WriteLine(S);
            Console.ReadLine();
        }
    }
}