#coding: UTF-8

import sys
import re
import itertools
from collections import deque

### defs ###
def con3(x):
	while x > 0:
		if (x%10==3):
			return True
		x = x//10
	return False

### main ###
A, B = map(int, sys.stdin.readline().split())
ans = []
for x in range(A,B+1):
	if (x%3==0 or con3(x)):
		ans.append(x)
for x in ans:
	print(x)