#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main(){
	int N,M,i;
	cin>>N>>M;
	vector < int > data;
	data.resize(N);
	for(i=0;i<N;i++){
		cin>>data[i];
	}
	sort(data.begin(),data.end());
	int sum=0;
	i=0;
	while(sum<M){
		sum+=data[i];
		i++;
	}
	if(sum!=M)i--;
	cout<<i<<endl;
	return 0;
}