#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <utility>
#include <string>

using namespace std;

int main() {
	long long a, b;

	cin >> a >> b;
	for (long long i = a; i <= b; i++) {
		if (i % 3 == 0 || to_string(i).find('3') != string::npos) {
			cout << i << endl;
		}
	}
	return 0;
}