#include <iostream>
#include <vector>
#include <math.h>
using namespace std;
#define eps 0.00001
#define maxn 200
typedef vector<vector<double>> Matrix;
void dispRes(vector<double> r);
vector<double> Jacob(Matrix a);
vector<double> Gauss_Seidel(Matrix a);
vector<double> SOR(Matrix a, double w);
bool check(vector<double> x, vector<double> y);
int main()
{
ios::sync_with_stdio("false");
int n;
cin >> n;
Matrix M1(n, vector<double>(n + 1, 0));
for (int i = 0; i < n; i++)
for (int j = 0; j < n + 1; j++)
cin >> M1[i][j];
dispRes(