#include <bits/stdc++.h>
using namespace std;
int n, x;
int a[101];
int ans = 0;
void saiki(int inow, int total, int kubatta) {
  if (total > x) {
    return;
  } else {
    if (n == inow) {
      if (total <= x) {
        ans = max(ans, kubatta);
      }
    } else {
      saiki(inow + 1, total + a[inow], kubatta + 1);
      saiki(inow + 1, total, kubatta);
    }
  }
  return;
}
int main() {
  int i;
  cin >> n >> x;
  for (i = 0; i < n; i++) {
    cin >> a[i];
  }
  sort(a, a + n);
  saiki(0, 0, 0);
  cout << ans << endl;
  return 0;
}
