#include <bits/stdc++.h>
using namespace std;
int main() {
  int N, x;
  cin >> N >> x;
  int a[N];
  for (int i = 1; i <= N; i++) a[i];
  sort(a, a + N);
  int ans = 0;
  for (int i = 0; i < N; i++) {
    x -= a[i];
    if (x <= 0) break;
    ans++;
  }
  cout << ans << endl;
}
