# -*- coding: utf-8 -*-
#No.207 世界のなんとか

a,b = map(int,raw_input().split())

ans = []

while(a<=b):
    if a % 3 == 0:
        ans.append(a)
    else:
        tmp = a
        while(tmp>10):
           if tmp/10 == 3:
               ans.append(a)
               break
           elif tmp%10 == 3:
               ans.append(a)
               break
           tmp /= 10
    a += 1

for i in xrange(len(ans)):
    print ans[i]