Combine Lists

import java.util.*;

public class Digits {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] name = scanner.nextLine().split(",");
        List<String> listOne  = Arrays.asList(name);
        List<Integer> intList = new ArrayList<>();

        for (String elem :listOne) {
            intList.add(Integer.parseInt(elem));
        }
       // System.out.println(intList);

        String[] name2 = scanner.nextLine().split(",");
        List<String> listTwo = Arrays.asList(name2);
        List<Integer> intListTwo = new ArrayList<>(intList);
        for (String elem2 :listTwo) {
            intListTwo.add(Integer.parseInt(elem2));
        }
        List<String> resultTwo = new ArrayList<>();
        for (Integer elem3 :intListTwo) {
            resultTwo.add(Integer.toString(elem3));
        }
        String result = String.join(",", resultTwo);
        System.out.println(result);
    }
}