#include <stdio.h>

void main(void){
	int n = 0,m = 0;
	scanf("%d",&n);
	scanf("%d",&m);
	int candyBox[n];
	for(int i = 0 ; i < n ; i ++){
		scanf("%d",&candyBox[i]);
	}
	
	for(int i = 0 ; i < n ; i++){
		for(int j = 0 ; j < n ; j++){
			if(candyBox[i] < candyBox[j]){
				int num = candyBox[i];
				candyBox[i] = candyBox[j];
				candyBox[j] = num;
			}
		}
	}
	int nullBox = 0;
	for(int i = 0 ; i < n ; i++){
		n -= candyBox[i];
		if(n >= 0){
			nullBox++;
		}else{
			break;
		}
	}
	printf("%d",nullBox);
}