using System;
using System.Linq;

public class Program
{
	public static void Main()
	{
		int[] NM = Console.ReadLine().Split().Select(i => int.Parse(i))
			.ToArray();
		int N = NM[0], M = NM[1];
		int[] C = Console.ReadLine().Split().Select(i => int.Parse(i))
			.OrderBy(i => i).ToArray();
		for (int i = 0; i < N; i++)
		{
			if ((M -= C[i]) < 0)
			{
				Console.WriteLine(i);
				return;
			}
		}
		Console.WriteLine(M == 0 ? N : 0);
	}
}