#!/usr/bin/env perl

use strict;
use warnings;
use bigint;

my ($m, $n) = split / /, <>;

for(my $i = $m; $i <= $n; $i++ ) {
	if($i % 3 == 0) {
		print "$i\n";
	} else {
		my @array = split //, $i;
		for(my $j = 0; $j < $#array + 1; $j++) {
			if($array[$j] eq '3') {
				print "$i\n";
				last;
			}
		}
	}
}

exit;