import java.util.Scanner;


public class Main {

    public static void main(String[] args) {
        
        Scanner scanner = new Scanner(System.in);
        
        float p = scanner.nextFloat();
        float q = scanner.nextFloat();
        
        if((1-p)*q < p*(1-q)*q){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
        
    }
    
}