/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner sc = new Scanner(System.in);
		
		final double p = sc.nextDouble();
		final double q = sc.nextDouble();
		
		final double P1 = (1 - p) * q;
		final double P2 = p * (1 - q) * q;
		
		System.out.println(P1 < P2 ? "YES" : "NO");
	}
}