// Properties of spheres of radii 1, 3, and 7
// with densities 7.87, 8.96, 11.36 respectively
// using function arguments
#include <iostream>
#include <math.h>
using namespace std;
const double pi = 3.1416;

void Sphere(double r, double rho) // r=radius, rho=density
{
  double area, volume, mass;
  area = 4. * pi * r * r; 
  volume = 4./3. * pi * r * r * r;
  mass = rho * volume;
  cout << r << ' ' << area << ' ' << volume << ' ' << mass << endl;
}

int main()  
{
  Sphere(1., 7.87);
  Sphere(3., 8.96);
  Sphere(7., 11.36);
}