#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n, i, ans = 0, sum = 0;
  cin >> n;
  int a[n];
  for (int i = 0; i < n; i++) cin >> a[i];
  sort(a, a + n);
  for (int i = 0; i < n; i++) {
    if (a[i] < sum) continue;
    sum += a[i];
    ans++;
  }
  cout << ans;
}
