#include<iostream>
using namespace std;
int main(){
	int n, m, c, emptyBox = 0;
	cin >> n >> m;
	for (int i = 0; i < n; i++){
		cin >> c;
		if (m >= c){
			m -= c;
			emptyBox++;
		}
	}
	cout << emptyBox << endl;
	return 0;
}