#include <iostream.h>
main()
// Computes the volume of a sphere of a given radius.
{
	const float PI = 3.14159;
	float Radius;

	cout << "Enter the radius of the sphere: ";
	cin >> Radius;

	float Volume = 4 * PI * Radius * Radius * Radius/3;
	cout << "The volume of a sphere of radius "
		  << Radius << " inches is " << Volume
		  << " cubic inches.\n";

	return 0;
}  // end program