# 
#5A - convex shape
# sea urchin
import math

g.paper(0)
g.pen(100)




for i in range(1, 50):
	mx = g.getMouse(1)+1
  	for b in range(2,25):
       		b = (b * 1.0)
         
		smallernumber = (i/b)
		angle = smallernumber * math.pi

	        y = int(50+math.cos(angle)*i)
		x = int(50+math.sin(angle)*i)
		print x
		print y
		g.pen(int(b*2))
		g.line(50, 70, x, y)
		g.line(50, 30, x, y)