#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  vector<int> v(n);
  for (int i = 0; i < n; i++) cin >> v[i];
  sort(v.begin(), v.end());
  int time = 0;
  int counter = 0;
  for (int i : v) {
    if (i >= time) {
      counter++;
      time += i;
    }
  }
  cout << counter;
}
