// Program: RadonicStephan
// Author: Stefan Radonic
#include
#include
#include
#include
using namespace std;
// POST: the word w_i^F is drawn
void f (const unsigned int i) {
if(i==0){
ifm::forward(2);
}
else
{
ifm::left(25);
ifm::save();
ifm::right(25);
ifm::restore();
ifm::right(25);
f(i-1);
ifm::forward();
ifm::save();
ifm::right(25);
f(i-1);
ifm::forward();
ifm::restore();
ifm::left(25);
f(i-1);
}
}
int main () {
std::cout<> n;
// draw w_n = w_n(F)
f(n);
return 0;
}