using System;

public class Program {
	public static void Main() {
		string[] input = Console.ReadLine().Split(' ');
		int h = int.Parse(input[0]);
		int n = int.Parse(input[1]);
		int rank = 1;
		for (int i = 0; i < n - 1; i++) {
			if (h < int.Parse(Console.ReadLine())) {
				rank++;
			}
		}
		switch (rank) {
			case 1:
			Console.WriteLine(rank + "st");
			break;
			case 2:
			Console.WriteLine(rank + "nd");
			break;
			case 3:
			Console.WriteLine(rank + "rd");
			break;
			default:
			Console.WriteLine(rank + "th");
			break;
		}
	}
}