import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;

public class F {
    public static void main(String[] args) {
        while (cin.hasNext()) {
            int n = cin.nextInt();
            if (n == 0) break;
            Integer[] a = new Integer[n];
            for (int i = 0; i < a.length; i++) a[i] = cin.nextInt();
            Arrays.sort(a, new Comparator<Integer>() {
                @Override
                public int compare(Integer o1, Integer o2) {
                    return Math.abs(o2) - Math.abs(o1);
                }
            });
            for (int i = 0; i < a.length; i++) {
                if (i > 0) System.out.print(" ");
                System.out.print(a[i]);
            }
            System.out.println();
        }
    }

    static Scanner cin = new Scanner(System.in);
}