import java.util.Scanner;

public class _01_SymmetricNumbersInRange {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        int start = sc.nextInt();
        int end = sc.nextInt();

        String result = "";

        for (int i = start; i <= end; i++) {

            if(isSymmetric(i)){
                result += i + " ";
            }
        }
        System.out.println(result);
    }

    private static boolean isSymmetric(int n) {

        boolean isSymmetric = true;
        char[] numberElements = Integer.toString(n).toCharArray();

        for (int i = 0, j = 1; i < numberElements.length; i++, j++) {
            if(isSymmetric){
                if(numberElements[i] != numberElements[numberElements.length - j]){
                    isSymmetric = false;
                }
            }
        }
        return isSymmetric;
    }
}