#include <graphics.h>
#include <conio.h>
int main()
{
int gd, gm, x=320, y=240, r=30;
gd=DETECT;
initgraph(&gd, &gm, ":..\\bgi");
circle(x,y,r);
circle(x,y,r*2);
circle(x,y,r*3);
circle(x,y,r*4);
circle(x,y,r*5);
getch();
}
