uses graphABC;
begin
moveto(100,100);
lineto(150,150);
lineto(100,200);
lineto(100,100);
moveto(150,200);
lineto(300,200);
lineto(300,100);
lineto(150,100);
lineto(150,200);
moveto(300,150);
lineto(300,150);
lineto(350,100);
lineto(350,200);
lineto(300,150);
end.