#include <bits/stdc++.h>
using namespace std;

int main()
{
int i;
int N;
int M;
int iSum;
int iBox;
int C[ 20 ];

	cin >> N;
	cin >> M;

	for( i = 0; i < N; i++ ) cin >> C[ i ];

	sort( C, C + N );

	iSum = 0;
	iBox = N;
	for( i = 0; i < N; i++ )
	{
		iSum += C[ i ];
		if( iSum < M )
			continue;
		else
		{
			if( iSum == M )
				iBox = i + 1;
			else
				iBox = i;

			break;
		}
	}

	cout << iBox << endl;

	return 0;
}