import java.util.LinkedList;

class A {
	int want;
	LinkedList<Integer> have = new LinkedList<Integer>();

	A(int i) {
		this.want = i;
	}

}

public class No_156 {

	public static void main(String[] args) {
		java.util.Scanner sc = new java.util.Scanner(System.in);
		int n = sc.nextInt();
		LinkedList<Integer> box = new LinkedList<Integer>();
		A a = new A(sc.nextInt());

		for (int i = 0; i < n; i++) {
			box.add(sc.nextInt());
		}

		java.util.Collections.sort(box);

		while (a.want > 0) {
			int x = box.poll();
			a.want -= x;
			if (a.want >= 0) {
				a.have.add(x);
			}
		}
		System.out.println(a.have.size());
		sc.close();

	}

}