#include<string>
#include<iostream>
using namespace std;
int main()
{
	long a, b;
	cin >> a >> b;
	for (long i = a; i <= b; i++) {
		if (i % 3 == 0 || to_string(i).find('3')) {
			cout << i << "\n";
		}
	}
	return 0;
}