x = 2
if x == 3:
	y=2
elif x==2:
	y=1
	while  x<5:
		if x<5: 
				z= x*y
				print z
print y
while  y<10 or  y>10 and y<20:
	if y<10: 
		print y
		y= y + 1
		if y==4 and x==2:
			print x
	elif  y>10 and y<20: 
		print y
		y= y + 2
