import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double p = sc.nextDouble();
        double q = sc.nextDouble();
        double P1 = (1-p)*q;
        double P2 = p*(1-q)*q;
        if(P1<P2){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    }
}