#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) cin >> a[i];
  sort(a, a + n);
  int i = 1;
  while (m > 0) {
    m -= a[n - i];
    i++;
  }
  cout << i - 1;
  return 0;
}
