import java.util.ArrayList;
import java.util.Scanner;
 
public class Main {
 
    static public ArrayList < Integer > list;
    static public int[] solution;
 
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);
		int count = 0;
		while (true) {
			String arr[] = scn.nextLine().split(" ");
			if (arr[0].equals("0"))
				break;
			if (count != 0)
				System.out.println();
			list = new ArrayList<Integer>();
			for (int i = 1; i < arr.length; i++)
				list.add(Integer.parseInt(arr[i]));
			solution = new int[6];
			used = new int[list.size()];
			backtracking(0, 0);
			count++;
		}

	}
 
    public static void backtracking(int n, int pos) {
        if (n == 6) {
            for (int i = 0; i < 6; i++) {
                if (i != 0)
                    System.out.print(" ");
                System.out.print(solution[i]);
            }
            System.out.println();
            return;
        }
        for (int i = pos; i < list.size(); i++) {
                solution[n] = list.get(i);
                backtracking(n + 1, i + 1);
        }
    }
    /*題目：UVA Q441:Lotto
    作者：1010
    時間：西元 2018 年 11 月 */
}