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

int main() {
	int N, M;
	cin >> N >> M;

	vector<int> v(N);
	for (int i = 0; i < N; i++) {
		cin >> v.at(i);
	}

	sort(v.begin(), v.end());
	for (int i = 0; i < N; ) {
		int& vp = v.at(i);
		if (vp == 0) {
			i++;
		}
		else {
			if (M == vp) {
				vp = 0;
				break;
			}
			else if (M > vp) {
				M -= vp;
				vp = 0;
				i++;
			}
			else {
				break;
			}
		}
	}

	cout << count(v.begin(), v.end(), 0) << endl;
}