# coding=utf-8
import turtle as turtle
 
turtle.penup()
turtle.goto(-200, 50)
length=int(input('请输入标准数：') )
#顶面
turtle.setheading(45)
turtle.pensize(5)
turtle.pendown()
turtle.forward(length)
turtle.right(45)
turtle.forward(length)
turtle.right(135)
turtle.forward(length)
turtle.right(45)
turtle.forward(length)
turtle.end_fill()
 
#正面
turtle.left(90)
turtle.forward(length)
turtle.left(90)
turtle.forward(length)
turtle.left(90)
turtle.forward(length)
turtle.left(90)
turtle.forward(length)
turtle.end_fill()
 
#侧面
turtle.right(180)
turtle.forward(length)
turtle.left(45)
turtle.forward(length)
turtle.right(135)
turtle.forward(length)
turtle.right(45)
turtle.forward(length)
turtle.right(135)
turtle.forward(length)
turtle.end_fill()
turtle.hideturtle()
turtle.done()