#include <bits/stdc++.h>
using namespace std;
int a[1000007];
int main() {
  int n, s = 0, man = 1;
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  s = 1;
  for (int i = 1; i < n; i++) {
    if (a[i] <= 2 * a[i - 1]) {
      s++;
    } else {
      s = 1;
    }
    man = max(man, s);
  }
  cout << man << endl;
  return 0;
}
