import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;

public class Main {
    public static void main(String... args) throws IOException {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
            int[] arr = Arrays.stream(reader.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
            for (int i = arr[0]; i <= arr[1]; i++) {
                if (i % 3 == 0 || has3(i)) {
                    System.out.println(i);
                }
            }
        }
    }
    static boolean has3(int num) {
        for (int i = num; 0 < i; i /= 10) {
            if (i % 10 == 3) {
                return true;
            }
        }
        return false;
    }
}