gistfile1.cpp

#include <iostream>

using namespace std;

bool DEBUG = false;

int main() {
	int n;
	cin >> n;
	
	int nums[n];
	for (int i = 0; i < n; i++) {
		cin >> nums[i];
	}
	
	int cur = 1;
	int max = 1;
	for (int i = 1; i < n; i++) {
		if (nums[i] <= nums[i-1] * 2) {
			cur++;
			if (cur > max) max = cur;
			
		} else {
			cur = 1;
		}
	}
	
	cout << max << endl;
	
	return 0;
}

// Compiler: v.5.1.0