#include <bits/stdc++.h>
using namespace std;
int main() {
  int x, sum1 = 0, Min = 0, sum = 0;
  cin >> x;
  int p;
  vector<int> v;
  for (int j = 0; j < x; j++) {
    cin >> p;
    sum += p;
    v.push_back(p);
  }
  sort(v.begin(), v.end());
  int s = v.size();
  sum1 = 0;
  for (int i = s - 1; i >= 0; i--) {
    sum = sum - v[i];
    sum1 = sum1 + v[i];
    ++Min;
    if (sum1 > sum) break;
  }
  cout << Min;
  return 0;
}
