#include <iostream>
//#include <numeric>
//#include <vector>
#include <cstdint>
#include <string>
using namespace std;

int main() {
	int64_t a, b;
	cin >> a >> b;

	for (int64_t i = a; i < b; i++) {
		if (i % 3 == 0) {
			cout << i << endl;
		}
		else {
			std::string str;
			str = std::to_string(i);
			if (str.find("3")) {
				cout << i << endl;
			}
		}
	}

	return 0;

}