#include "stdio.h"
#include "dos.h"
#include "conio.h"
#include "math.h"
#include "math.inc"
#include "graph2.inc"


void main()
{
  InitGraphics;
  do
  {
    Circle(100, 100, 1, 143);
    Circle(130, 130, 10, 71);
    Circle(140, 140, 20, 251);

    Circle(100, 100, 1, 0);
    Circle(130, 130, 10, 0);
    Circle(140, 140, 20, 0);
  }
  while(!(kbhit()));
  ExitGraphics();
}