//
//	...
//	P. 48 Method
//	Goal: read from keyboard, out its cubic. Use loops
//

import java.util.Scanner;
class P48
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		double aVal;
		double myResult;
		System.out.print("Input a pos. (neg. to quit): ");
		aVal = input.nextDouble();
		while(aVal>0)
		{
			myResult = Cubic(aVal);
			System.out.println("Square of " + aVal + " is " + myResult);
			System.out.print("Input a pos. (neg. to quit): ");
			aVal = input.nextDouble();
		}
		System.out.println("\n\n\nDone.\n\n");
	}

	private static double Cubic(double s)
	{
		return s*s*s;
	}
}