package switchprograms;

import java.io.*;

public class S

{

public static void main()throws IOException

{

BufferedReader ob=new BufferedReader(new InputStreamReader(System.in));

System.out.println("1.volume of cube");

System.out.println("2.volume of cuboid");

int ch=Integer.parseInt(ob.readLine());

double v=1.0;

switch(ch)

{

case 1:

System.out.println("enter side");

double r=Double.parseDouble(ob.readLine());

v=r*r*r;

System.out.println(v);

break;

case 2:

System.out.println("enter l and b");

double l=Double.parseDouble(ob.readLine());

double b=Double.parseDouble(ob.readLine());

double h=Double.parseDouble(ob.readLine());

v=l*b*h;

System.out.println(v);

break;

default:

}

}

}