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 == "y"){
				done = false;
			}else{
				done = true;
			}
		}
	}
}