#include <bits/stdc++.h>
using namespace std;
int main() {
  int N, x, ans = 0;
  cin >> N >> x;
  vector<int> a(N);
  for (int i = 0; i < N; ++i) cin >> a[i];
  sort(a.begin(), a.end());
  for (int i = 0; i < N; ++i) {
    if (x >= a[i]) {
      x -= a[i];
      ans++;
    }
  }
  cout << ans << endl;
}
