from turtle import (
    forward,
    back,
    left,
    right,
    penup,
    pendown,
    color,
)

forward(100)
left(360 * 1 / 4)
forward(100)
right(360 * 1 / 4)
forward(100)
left(360 * 1 / 4)
forward(100)
right(360 * 1 / 4)
forward(100)
left(360 * 1 / 4)

input()