truex=-200
truey=-200
squaresize = int(input("q "))
def setmeup():
    penup()
    setposition(truex,truey)
    pendown()
    for i in range(4):
        forward(squaresize)
        left(90)
    if truex == -200 and truey == -200:
        truey = 200 - squaresize
        setmeup()
    elif truex == -200 and truey == 200 - squaresize:
        truex = 200 - squaresize
        setmeup()
    elif truex == 200 - squaresize and truey == 200 - squaresize:
        truey = -(200 - squaresize)
        setmeup()