import turtle
from turtle import *
w = 600
h = 600
s = turtle.Screen()
#Блок ниже не изменять: ===================
s.setup(w,h, 0,200)            #
s.setworldcoordinates(0, h, w, 0)  #
s.bgcolor('grey')
s.title('Our Screen')

#Конец блока ============================
speed(0)
a = 200
e = 90
l = 90
width(5)
for i in range(2):
    up()
    goto(a,0)
    lt(e)
    down()
    fd(600)
    a = 400
    e = 0
a = 200
up()
goto(0,a)
a = 400
down()
rt(l)
fd(600)
up()
goto(0,a)
down()
l = 0
fd(600)
xo = int(input("Enter number 1: "))
yo = int(input("Enter number 2: "))
xx = int(input("Enter number 3: "))
yx = int(input("Enter number 4: "))
up()
goto(xo,yo)
down()
circle(60)
up()
goto(xx,yx)
down()
lt(120)
fd(100)
lt(180)
fd(50)
lt(120)
fd(50)
back(100)
ht()
done()