# from math import from tkinter import x1 x2 y1 y2 map int input split r

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39``` ```from math import * from tkinter import * x1, x2, y1, y2, k = map(int, input().split()) root = Tk() I1 = 0 J1 = 0 I2 = 500 J2 = 500 canv = Canvas(root, width = I2, height = J2, bg = 'lightblue') def II(x): return I1 + int((x - X1)*(I2 - I1)/(X2 - X1)) def JJ(y): return J2 + int((y - Y1)*(J1 - J2)/(Y2 - Y1)) def koh(x1, x2, y1, y2, k): while k >= 1: x3 = x1 + int((x2 - x1) / 3 + 0.5) y3 = y1 + int((y2 - y1) / 3 + 0.5) x4 = x1 + int(2 * (x2 - x1) / 3 + 0.5) y4 = y1 + int(2 * (y2 - y1) / 3 + 0.5) x5 = (x1 + x2) / 2 + (y2 - y1) / 2 * sqrt(3) y5 = (y1 + y2) / 2 - (x2 - x1) / 2 * sqrt(3) canv.create_line(x1, y1, x3, y3, width = 1) canv.create_line(x3, y3, x5, y5, width = 1) canv.create_line(x5, y5, x4, y4, width = 1) canv.create_line(x4, y4, x2, y2, width = 1) koh(x1, x3, y1, y3, k - 1) koh(x3, x5, y3, y5, k - 1) koh(x5, x4, y5, y4, k - 1) koh(x4, x2, y4, y2, k - 1) canv.create_line(x4, y4, x3, y3, width = 3) k -= 1 koh(x1, x2, y1, y2, k) canv.pack() root.mainloop() ```