import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner koko = new Scanner(System.in);
       double p = koko.nextDouble();
       double q = koko.nextDouble();
       double ichi =(1-p)*q;
       double ni = p*(1-q)*q;
       if(ni>ichi){
           System.out.println("YES");
       }else{
           System.out.println("NO");
       }
    }
}