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