#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <iomanip>

using namespace std;

int main() {
	int mas[10000];
	int n;
	scanf_s("%d", &n);
	for (int i = 0; i < n; ++i) {
		scanf_s("%d", &mas[i]);
	}
	sort(mas, mas + n);
	for (int i = 0; i < n / 2 + n % 2; ++i) {
		swap(mas[i], mas[n-i-1]);
	}
	int itp, itm;
	for (int i = 0; i < n; ++i) {
		if (mas[i] > 0) itp = i;
		if (mas[i] < 0) {
			itm = i;
			break;
		}
	}
	for (int i = 0; i <= itp / 2+ itp%2 ; ++i) {
		swap(mas[i], mas[itp-i]);
	}
	for (int i = itm; i < n / 2 + n % 2; ++i) {
		swap(mas[i], mas[n - i -1]);
	}
	for (int i = 0; i < n; ++i) {
		printf_s("%d ", mas[i]);
	}
}