import java.util.Scanner;
public class Main{
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		if(Math.max(a,b)<Math.min(a,b)*2) System.out.println("No");
		else System.out.println("Yes");
	}
}