using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int N = int.Parse(Console.ReadLine());
            double[,] a = new double[N, N + 1];

            for (int i = 0; i < N; i++)
            {
                for (int j = 0; j < N + 1; j++)
                {
                    a[i, j] = double.Parse(Console.ReadLine());
                }
            }

            for (int i = 0; i < N; i++)
            {
                if (a[i, i] == 0)
                {
                    for (int j = i + 1; j < N; j++)
                    {
                        if (a[j, i] != 0)
                        {
                            for (int k = 0; k < N + 1; k++)
                            {
                                a[i, k] += a[j, k] / a[j, i];
                            }
                            break;
                        }
                    }
                }
                else
                {
                    double x = a[i, i];
                    for (int j = 0; j < N + 1; j++)
                    {
                        a[i, j] /= x;
                    }
                }

                for (int j = i + 1; j < N; j++)
                {
                    double x = a[j, i];
                    for (int k = 0; k < N + 1; k++)
                    {
                        a[j, k] -= x * a[i, k];
                    }
                }
            }

            double[] ans = new double[N];
            for (int i = N - 1; i >= 0; i--)
            {
                ans[i] = a[i, N];

                for (int j = 0; j < i; j++)
                {
                    a[j, N] -= a[j, i] * ans[i];
                    a[j, i] = 0;
                }
            }

            for (int i = 0; i < N; i++)
            {
                Console.Write(ans[i].ToString() + " ");
            }
            Console.WriteLine();
        }
    }
}