var ta ={x:300,y:100};
var tb ={x:120,y:300};
var tc ={x:480,y:300};

function ourLine(a,b) {
  drawLine(a.x,a.y, b.x,b.y);
  
}

function mid(a,b) {
  return {x: (a.x+b.x)/2 , y: (a.y+b.y)/2};
}

function tri(a,b,c){
   if (distance(a,b) < 1) return;
  
   ourLine(a,b);    
   ourLine(b,c);
   ourLine(c,a);
  
  var ab=mid(a,b);
  var ac=mid(a,c);
  var bc=mid(b,c);
  
  ourLine(ab,bc);
  ourLine(ac,bc);
  ourLine(ab,ac);
  tri(ab,bc,ac);
  
}  


tri(ta,tb,tc);


print(".");