_01_SymmetricNumbersRange

package _03_LoopMethodsSoftUni;

import java.util.ArrayList;
import java.util.Scanner;

public class _01_SymmetricNumbersRange {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

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

        for (int i = start; i <= end; i++) {
            ArrayList<Integer> arr = new ArrayList<Integer>();
            while (i != 0) {
                arr.add(i % 10);
                i /= 10;
            }
            if (arr.size() == 1) {
                System.out.println(i);
            }
            if (arr.size() == 2) {
                if (arr.get(0) == arr.get(1)) {
                    for (Integer integer : arr) {
                        System.out.print(integer);
                    }
                }
            }
            if (arr.size() == 3) {
                if (arr.get(0) == arr.get(2)) {
                    for (Integer integer : arr) {
                        System.out.print(integer);
                    }
                }
            }
            if (arr.size() == 4) {
                if (arr.get(0) == arr.get(3)  && arr.get(1) == arr.get(2)) {
                    for (Integer integer : arr) {
                        System.out.print(integer);
                    }
                }
            }
            System.out.println();
            for (int a = 0; a < arr.size(); a++) {
                arr.remove(a);
            }
        }

    }

}