ThreeGroups

package com.company;

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

public class ThreeGroups {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in) ;
        ArrayList<Long> zero = new ArrayList<>();
        ArrayList<Long> one = new ArrayList<>();
        ArrayList<Long> two = new ArrayList<>();
        String[] nums = scan.nextLine().split(" ");
        long[] numbers = new long[nums.length];
        for (int i = 0 ; i < nums.length; i++) {
            numbers[i] = Long.parseLong(nums[i]);
            if (numbers[i] % 3 == 0) {
                zero.add(numbers[i]);
            }
            else if (numbers[i] %3 == 1) {
                one.add(numbers[i]);
            }
            else if (numbers[i] %3 == 2) {
                two.add(numbers[i]);
            }

        }
        for (int i = 0 ; i < zero.size(); i++) {
            System.out.print(zero.get(i)+ " ");
        }

        System.out.println();
        for (int i = 0 ; i < one.size(); i++) {
            System.out.print(one.get(i)+ " ");
        }

        System.out.println();
        for (int i = 0 ; i < two.size(); i++) {
            System.out.print(two.get(i)+ " ");
        }

    }
}