#coding: utf-8

A,B = map(int,raw_input().split())
ilist = []

for i in range(A,B+1):
	if(i % 3 == 0):
		ilist.append(i)
	else:
		s = str(i)
		if("3" in s):
			ilist.append(i)

ilist.sort()
for x in xrange(len(ilist)):
	print(ilist[x])