A, B = map(int, input().split())

range1 = B - A
if(range1 > 100 or range1 < 0):
	print("エラー")
else:
	for i in range(A,B+1):
		if(range1+i % 3 or "3" in str(range + i)):
			print(range1 + i)
		i+=1