#include <stdio.h>

int main(void)
{
  float r;
  double sa,vol;
  float pi = 3.14159;

  printf("Surface area and volume of a sphere\n");
  printf("Enter sphere radius r: ");
  scanf("%f",&r);

  sa = 4*pi*r*r;
  vol = (4/3)*pi*r*r*r;

  printf("Surface area=%f, Volume=%f\n",sa,vol);


  return 0;
}