import java.util.Scanner;

public class yukicoder_156 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);
		
		int n = stdIn.nextInt();
		int m = stdIn.nextInt();
		
		int[] box = new int[n];
		
		for (int i = 0; i < n; i++) {
			box[i] = stdIn.nextInt();
		}
		
		for (int i = 1; i <= box.length; i++) {
	        for (int j = 0; j < box.length - 1; j++) {
	        	if (box[j] > box[j+1]) {
	            	int t;
	                t = box[j];
	                box[j] = box[j+1];
	                box[j+1] = t;
	            }
	        }
		}
		
		int candy = 0, i = 0;
		
		for(i = 0; i < box.length; i++) {
			candy += box[i];
			if (candy > m) {
				break;
			}
		}
		
		System.out.println(i);
	}
}