package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Split(bufio.ScanWords)

	if !scanner.Scan() {
		return
	}
	n, _ := strconv.Atoi(scanner.Text())

	if n == 0 {
		fmt.Println(0)
		return
	}

	scanner.Scan()
	prev, _ := strconv.Atoi(scanner.Text())

	maxLen := 1
	currentLen := 1

	for i := 1; i < n; i++ {
		scanner.Scan()
		current, _ := strconv.Atoi(scanner.Text())
		if current <= 2*prev {
			currentLen++
		} else {
			currentLen = 1
		}
		if currentLen > maxLen {
			maxLen = currentLen
		}
		prev = current
	}

	fmt.Println(maxLen)
}