#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
using namespace std;

bool check(long long n) {
	if (n % 3 == 0) return true;
	while (n > 0) {
		if (n % 10 == 3) return true;
		else n /= 10;
	}
	return false;
}

int main()
{
	long long A, B;
	cin >> A >> B;
	for (long long n = A; n <= B; n++) {
		if (check(n)) cout << n << endl;
	}

	return 0;
}