Harry and Ron are playig PUBG together. Ron is so busy looting the guns, he doesn't notice the playing zone has been decreased. If you're unfamiliar with PUBG rules, know that if you're out of the playing zone, your health starts decreasing slowly. So here, Ron's health starts to decrease. Harry has healthpack which can be used to restore Ron's health and save him from getting knocked out. But, he's 'd' distance (in meters) away from him. Assume that
If Harry gives healthpack to Ron in time and he applies it before his health drops below 0, Ron will be saved.
Input
Output
For each test case, if Harry is able to save Jon, print 'no', else print 'yes'.
Constraints