// 	1. calulate the side of pyramid
//	Math formula: s = sqrt( h^2 + (b *.5)^2 )
//
//	Java: s = Math.sqrt( h*h + (b*.5)*(b*.5) );
// 				s = Math.sqrt( Math.pow(h, 2.) + Math.pow(b*.5, 2.) );

//  2. Calcualte surface and volume
//	Msth: sa = 2bs + b^2				Java: sa = 2. * b * s + b * b;
//				vol = 1/3hb^2					Java: vol = 1./3. * h * b * b;

import java.util.Scanner;
import java.text.DecimalFormat;

class CalPyramid
{
	public static void main(String[] args)
	{
  	Scanner input = new Scanner(System.in);
   	DecimalFormat f2 = new DecimalFormat("0.00");

   	double base, height, side, sa, vol;

   	System.out.print("Input base: ");
   	base = input.nextDouble();

   	System.out.print("Input height: ");
   	height = input.nextDouble();

		side = Math.sqrt( Math.pow(height, 2.) + Math.pow(base*.5, 2.) );

		sa = 2. * base * side + base * base;
		vol = 1./3. * height * base * base;

		System.out.println("side = " + f2.format(side) );
		System.out.println("s.a = " + f2.format(sa) );
		System.out.println("vol = " + f2.format(vol) );

 }
}