#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 cnt(0), sum(0);
  for (int i = 0; i < n; ++i) {
    if (v[i] >= sum) {
      cnt++;
      sum += v[i];
    }
  }
  cout << cnt;
}
