#include <map>
#include <set>
#include <list>
#include <cmath>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <string>
#include <bitset>
#include <cstdio>
#include <limits>
#include <vector>
#include <climits>
#include <cstring>
#include <cstdlib>
#include <fstream>
#include <numeric>
#include <sstream>
#include <iostream>
#include <algorithm>
#include <iomanip>
#include <cctype>
using namespace std;
typedef long long ll;

int main()
{
	int a, b;
	string s;
	stringstream ss;
	cin >> a >> b;
	for (int i = a; i <= b; i++)
	{
		if (i % 3 == 0)cout << i << endl;
		else
		{
			ss << i; ss >> s; ss.clear();
			for (int j = 0; j < static_cast<int>(s.size()); j++)
			{
				if (s[j] == '3')
				{
					cout << s << endl;
					s.clear();
					break;
				}
			}
			s.clear();
		}
	}
	return 0;
}