import java.io.BufferedReader;
import java.io.InputStreamReader;

public class No207 {
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(
                    System.in));

            long[] a = strToLongArray(br.readLine());
            long A = a[0];
            long B = a[1];

            for (long i = A; i <= B; i++) {
                if (i % 3 == 0 || Long.toString(i).contains("3")) {
                    System.out.println(i);
                }
            }
            System.out.println();
        } catch (Exception e) {
            System.err.println("Error:" + e.getMessage());
        }
    }

    static long[] strToLongArray(String S) {
        String[] strArray = S.split(" ");
        long[] longArray = new long[strArray.length];
        for (int i = 0; i < strArray.length; i++) {
            longArray[i] = Long.parseLong(strArray[i]);
        }
        return longArray;
    }

}