#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];
  int ma = 1, sum = 1;
  for (int i = n - 1; i >= 1; i--) {
    if (a[i] > a[i - 1] * 2)
      ma = 1;
    else
      ma++;
    if (ma > sum) sum = ma;
  }
  cout << sum;
  return 0;
}
