#include <iostream>
using namespace std;

bool judge(int n)
{
	int res = n % 3 == 0 ? true : false;
	while (n != 0)
	{
		res = n % 10 == 3 ? true : res;
		n /= 10;
	}
	return res;
}

int main()
{
	int A, B;
	cin >> A >> B;

	for (int i = A; i <= B; i++)
	{
		if (judge(i))
		{
			cout << i << endl;
		}
	}
}