import java.util.Scanner;
public class Problem1 {
    public static void main(String args[]){
        Scanner input = new Scanner(System.in);
        double volume;
        double radius;
        double height;
        double cost;
        boolean done = false;
        String donecheck;
        while(done==false){
            System.out.println("Input the Volume");
            volume = input.nextDouble();
            System.out.println("Input the radius");
            radius = input.nextDouble();
            height = volume / (Math.PI*radius*radius);
            cost = 2*Math.PI* radius*(radius + height);
            System.out.println("Height is " + height);
            System.out.println("Cost is $" + cost);
            System.out.println("Type y if you wish to continue");
            donecheck = input.next();
            if(donecheck.equals("y")){
                break;
            }else{
                done = true;
            }
        }
    }
}