#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int a[n];
  for (int i = 0; i < n; i++) cin >> a[i];
  sort(a, a + n);
  int ans = 1, s = 1;
  for (int i = 1; i < n; i++) {
    if (a[i] <= 2 * a[i - 1])
      s++;
    else
      s = 1;
    ans = max(ans, s);
  }
  cout << ans;
}
