import java.util.*;

// given the radius and height of a cylinder, compute its volume

public class Prog2_2				
{
	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);			// keyboard input
		double area, radius, volume, height;
		System.out.print("Enter the height of the cylinder: ");	// prompt user for input
		height = in.nextDouble();
		System.out.print("Enter the radius of the cylinder: ");
		radius = in.nextDouble();						
		area = Math.PI * radius * radius;				// compute area and volume
		volume = area * height;
		System.out.printf("The volume of the cylinder is %8.2f", volume);  // format the output to restrict number of decimal points
	}
}