import java.util.Scanner;

class Question159
{
	public static void main(String[] args)
	{
	
		Scanner scan = new Scanner(System.in);
		double p = scan.nextDouble();
		double q = scan.nextDouble();
		
		double p1,p2;
		
		p1 = (1-p)*q;
		p2 = (1-q)*q*p;
		
		System.out.println(p1<p2 ? "YES" : "NO");

	}
}