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

for i in range(A, B+1):
	if i % 3 == 0:
		print i
		continue
	
	j = i
	ok = False
	while 0 < j:
		if j % 10 == 3:
			ok = True
		j /= 10
	if ok:
		print i