from turtle import *
reset()
a = 0
while a <360:
    a = a +1
    forward(1)
    left(1)
a=0
while a <450:
    a+=1
    forward(1)
    right(1)
left(90)
forward(250)
a=0
while a <90:
    a = a +1
    forward(1)
    left(1)
left(90)
forward(45)
left(180)
forward(45)
left(90)
a=0
while a <90:
    a = a +1
    forward(1)
    left(1)
forward(250)