#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  int n;
  cin >> n;
  vector<int> a(n);
  for (int i = 0; i < n; ++i) {
    cin >> a[i];
  }
  int ans = 0;
  for (int i = 0; i < n; ++i) {
    int j = i;
    while (a[j + 1] <= 2 * a[j] && j + 1 < n) {
      ++j;
    }
    ans = max(ans, j - i + 1);
    i = j;
  }
  cout << ans;
}
