typedef struct{
	double x,y;
}point;

void pythagorasTree(point a,point b,int times){

	point c,d,e;

	c.x = b.x - (a.y -  b.y);
	c.y = b.y - (b.x - a.x);

	d.x = a.x - (a.y -  b.y);
	d.y = a.y - (b.x - a.x);

	e.x = d.x +  ( b.x - a.x - (a.y -  b.y) ) / 2;
	e.y = d.y -  ( b.x - a.x + a.y -  b.y ) / 2;

	if(times>0){
		setcolor(rand()%15 + 1);

		line(a.x,a.y,b.x,b.y);
		line(c.x,c.y,b.x,b.y);
		line(c.x,c.y,d.x,d.y);
		line(a.x,a.y,d.x,d.y);

		pythagorasTree(d,e,times-1);
		pythagorasTree(e,c,times-1);
	}
}

int main(){

	point a,b;
	double side;
	int iter;

	time_t t;

	printf();
	scanf(,&side);

	printf();
	scanf(,&iter);

	a.x = 6*side/2 - side/2;
	a.y = 4*side;
	b.x = 6*side/2 + side/2;
	b.y = 4*side;

	initwindow(6*side,4*side,);

	srand((unsigned)time(&t));

	pythagorasTree(a,b,iter);

	getch();

	closegraph();

	return 0;

}