ThreeGroupsAlpha44Core

import java.util.Scanner;

public class ThreeGroups {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] input = scanner.nextLine().split(" ");
        int[] numbers = new int[input.length];
        StringBuilder sbZero = new StringBuilder();
        StringBuilder sbOne = new StringBuilder();
        StringBuilder sbTwo = new StringBuilder();
        for (int i = 0; i < input.length; i++) {
            numbers[i] = Integer.parseInt(input[i]);
            if (numbers[i] % 3 == 0) {
                sbZero.append(numbers[i]).append(" ");
            }
            if (numbers[i] % 3 == 1) {
                sbOne.append(numbers[i]).append(" ");
            }
            if (numbers[i] % 3 == 2) {
                sbTwo.append(numbers[i]).append(" ");
            }
        }
        System.out.println(sbZero);
        System.out.println(sbOne);
        System.out.println(sbTwo);
    }
}