//
//	input from file

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

class CalPyramid1
{
	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) );

 }
}