import turtle
n=int(input(3))
for i in range (n) :
  t.forward(100)
  t.left(90)
  t.forward(100)
  t.right(90)
  t.forward(100)
  t.right(90)
exitonclick()
penup()
goto(1;1)
pendown()
for i in range (n) :
  t.forward(100)
  t.right(90)
  t.forward(100)
  t.left(90)
  t.forward(100)
  t.left(90)
exitonclick()