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