def digit(i):
	while i > 0:
		if i % 10 == 3:
			return True
			break
		else:
			return digit(i//10)
	
	return False
    
if __name__ == "__main__":
	min, max = map(int, input().split())
	
	if 1 <= min and min <= 2000000000 and 1 <= max and max <= 2000000000 and 0 <= max - min < 100:
		for i in range(min, max+1):
			if i % 3 == 0:
				print(i)
			else:
				if digit(i) == True:
					print(i)
	else:
		print("入力値が条件外です")