import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int start = Integer.parseInt(sc.next());
        int end = Integer.parseInt(sc.next());
        boolean printFlg = false;
        for (int i = start; i <= end; i++) {
            String toStr = Integer.toString(i);
            for (int j = 0; j < toStr.length(); j++) {
                if (toStr.charAt(j) == '3') {
                    printFlg = true;
                    break;
                }
            }
            if (i % 3 == 0) {
                printFlg = true;
            }
            if (printFlg) {
                System.out.println(i);   
            }
            printFlg = false;
        }
    }
}