import turtle
import random
n=int(input())
turtle.speed(0)
turtle.pensize(10)
turtle.fillcolor("red")
turtle.begin_fill()
for j in range(18):
    for i in range(n):
        r = random.random()
        g = random.random()
        b = random.random()
        turtle.pencolor(1, g, b)
        turtle.forward(100)
        turtle.right(360/n)
    turtle.right(20)
turtle.end_fill()
turtle.done()