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