#include <iostream>

#include <stdio.h>

#include<memory.h>

using namespace std;

#define null NULL

int N = 110;

int f(int a, int b, int x, int y)

{

	return a * x + b * y;

}

int main(int argc, char* argv[])

{

	//freopen("C:\\Users\\zzzzz\\Desktop\\1.txt", "r", stdin);

	int n;

	int x[N];

	int y[N];

	while (cin >> n)

	{

		if (n == 0)

			return 0;

		for (int i = 0; i < 2 * n; i++)

			cin >> x[i] >> y[i];

		int ok = 1;

		for (int a = -500; a <= 500 && ok; a++)

		{

			for (int b = -500; b <= 500 && ok; b++)

			{

				int l = 0, r = 0;

				for (int i = 0; i < 2 * n; i++)

				{

					int k = f(a, b, x[i], y[i]);

					if (k == 0)

						break;

					if (k < 0)

						l++;

					else

						r++;

				}

				if (l == n && r == n)

				{

					cout << a << " " << b << endl;

					ok = 0;

				}

			}

		}

	}

	return 0;

}