#include <iostream>
using namespace std;
class Sierpinski {
public:
void curve( int order, double length, int angle)
{
    if ( 0 == order ) {
        cout << length << " " << length << " rlineto" << endl;
    } else {

        curve(order - 1, length / 2, - angle);
        cout <<angle << " rotate" << endl;
        curve( order - 1, length / 2, + angle);
        cout << angle <<" rotate"<<endl;
        curve( order - 1, length / 2, - angle);
    }
}
void sierpinski_arrowhead_curve( int order, double length)
{
    // If order is even we can just draw the curve.
    if ( 0 == (order & 1) ) {
        cout << "60 rotate"<<endl;
        curve( order, length, +60);
    }
    else /* order is odd */ {
        cout << "60 rotate"<<endl;
        curve( order, length, -60);
    }
}
 void draw(int order, double length) {
        cout << "newpath" << endl;
        cout << "100 200 moveto" << endl;
        sierpinski_arrowhead_curve(order, length);
        cout << "stroke" << endl;
    }
};
int main(void) {
    Sierpinski s;

    s.draw(2 ,100);
    return 0;

}