import java.util.Scanner;


public class Main_yukicoder159 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        double p = sc.nextDouble();
        double q = sc.nextDouble();

        double p1 = q * (1.0 - p);
        double p2 = p * q * (1.0 - q);

        if (p1 < p2) {
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
        
        sc.close();
    }
}