1. Sort Even Numbers

import java.util.*;
import java.util.stream.Collectors;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String[] line = scan.nextLine().split(", ");

        List<Integer> evenNums = Arrays.stream(line)
                .map(Integer::parseInt)
                .filter(x -> x%2==0)
                .collect(Collectors.toList());
        List<String> nums = evenNums.stream()
                .map(String::valueOf)
                .collect(Collectors.toList());

        String printNum = String.join(", ", nums);
        System.out.println(printNum);

        evenNums.sort(Integer::compare);
        List<String> numSorted = evenNums.stream()
                .map(String::valueOf)
                .collect(Collectors.toList());
        printNum = String.join(", ", numSorted);
        System.out.println(printNum);
///////////////////////////////////
        Scanner scan = new Scanner(System.in);
        String[] line= scan.nextLine().split(", ");
        List<Integer> nums = Arrays.stream(line)
                .map(Integer::parseInt)
                .collect(Collectors.toList());

        nums.removeIf(elem -> elem % 2 != 0);

        System.out.println(nums.toString().replaceAll("[\\[\\]]", ""));

        nums.sort((a,b) -> a.compareTo(b));
        nums.sort(Integer::compareTo);

        System.out.println(nums.toString().replaceAll("[\\[\\]]", ""));
/////////////////////////////////////
    }
}