import java.util.Arrays;
import java.util.Scanner;

public class No156 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int M = sc.nextInt();
		int C[] = new int[N];
		for(int i = 0;i < N;i++) {
			C[i] = sc.nextInt();
		}
		Arrays.sort(C);
		
		int sum = 0;
		int x = 0;
		while(true) {
			sum += C[x];
			if(sum >= M) {
				if(sum == M) {
					x++;
				}
				break;
			}
			x++;
		}
		
		System.out.println(x);
	}
}