def print3(A,B):

	if B - A >= 100 or B - A < 0:
		raise
		return
	elif A < 1 or B < 1 or A > 2000000000 or B > 2000000000:
		raise
		return
	else:
		for i in range(A,B+1):
			if i % 3 == 0:
				print(i)
			else:
				j = i

				while(j != 0):
					k = j % 10	
					if k == 3:
						print(i)
						break
					else:
						j = j // 10

data = input()
A = int(data.split(' ')[0])
B = int(data.split(' ')[1])

print3(A,B)