#include <iostream>		//cin, cout
#include <vector>		//vector
#include <algorithm>	//sort,min,max,count
#include <string>		//string,getline, to_string

using namespace std;

int main() {

	long long int A, B;
	cin >> A >> B;

	long long int temp = 0;
	int m = 0;
	int sum = 0;

	for (long long int i = A; i <= B; i++) {
		temp = i;
		sum = 0;
		while (temp > 0) {
			m = temp % 10;
			if (m == 3) {
				cout << i << endl;
				break;
			}
			else {
				sum += m;
				temp = temp / 10;
			}
		}

		if (m != 3 && sum % 3 == 0) {
			cout << i << endl;
		}
	}

	return 0;

}