Program Epicykle;
uses graph,crt;
var karta,tryb,n:integer;
    x,y,r,alfa,beta:real;
begin
  karta:=detect; initGraph(karta,tryb,'');
  alfa:=0;
  repeat
    r:=120; beta:=alfa;
    x:=r*cos(alfa)+320;
    y:=r*sin(alfa)+240;
    fillEllipse(round(x),round(y),1,1);
    for n:=1 to 5 do
        begin
          r:=r/2; beta:=beta*5;
          x:=x+r*cos(beta);
          y:=y+r*sin(beta);
          putPixel(round(x),round(y),n+10);
        end;
    alfa:=alfa+0.0005;
  until (keyPressed) or (alfa>=2*pi);
  readLn; closegraph;
end.