using System;

​

public class mat

{

    public int n, m;

    public float[, ] a;

    public void citire()

    {

        a = new float[n, m];

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

        {

            for (int j = 0; j < m; j++)

            {

                a[i, j] = float.Parse(Console.ReadLine());

            }

        }

    }

​

    public void afisare()

    {

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

        {

            for (int j = 0; j < m; j++)

            {

                Console.Write(a[i, j] + " ");

            }

​

            Console.WriteLine();

        }

    }

}

​

class matpat : mat

{

    public float d;

    public float[, ] invers;

    public matpat(int x)

    {

        m = n = x;

    }

​

    public void Det()

    {

        if (n == 2)

        {

            d = a[0, 0] * a[1, 1] - a[0, 1] * a[1, 0];

        }

        else

        {

            d = (a[0, 0] * a[1, 1] * a[2, 2]) + (a[1, 0] * a[2, 1] * a[0, 2]) + (a[2, 0] * a[0, 1] * a[1, 2]) - (a[0, 2] * a[1, 1] * a[2, 0]) - (a[1, 2] * a[2, 1] * a[0, 0]) - (a[2, 2] * a[0, 1] * a[1, 0]);

        }

    }

​

    public void Inv()

    {

        if (d != 0)

        {

            invers = new float[n, n];

            if (n == 2)

            {

                invers[0, 0] = 1 / d * a[1, 1];

                invers[0, 1] = 1 / d * -a[0, 1];

                invers[1, 0] = 1 / d * -a[1, 0];

                invers[1, 1] = 1 / d * a[0, 0];

            }

            else

            {

                invers[0, 0] = 1 / d * (a[1, 1] * a[2, 2] - a[1, 2] * a[2, 1]);

                invers[0, 1] = -1 / d * (a[0, 1] * a[2, 2] - a[0, 2] * a[2, 1]);

                invers[0, 2] = 1 / d * (a[0, 1] * a[1, 2] - a[0, 2] * a[1, 1]);

                invers[1, 0] = -1 / d * (a[1, 0] * a[2, 2] - a[1, 2] * a[2, 0]);

                invers[1, 1] = 1 / d * (a[0, 0] * a[2, 2] - a[0, 2] * a[2, 0]);

                invers[1, 2] = -1 / d * (a[0, 0] * a[1, 2] - a[0, 2] * a[1, 0]);

                invers[2, 0] = 1 / d * (a[1, 0] * a[2, 1] - a[1, 1] * a[2, 0]);

                invers[2, 1] = -1 / d * (a[0, 0] * a[2, 1] - a[0, 1] * a[2, 0]);

                invers[2, 2] = 1 / d * (a[0, 0] * a[1, 1] - a[0, 1] * a[1, 0]);

            }

        }

    }

​

    public void afisareinv()

    {

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

        {

            for (int j = 0; j < m; j++)

                Console.Write(a[i, j] + " ");

            Console.WriteLine();

        }

    }

}

​

public class sistem

{

    matpat A, B, X;

    public sistem()

    {

        int x = int.Parse(Console.ReadLine());

        A = new matpat(x);

        B = new matpat(x);

        A.citire();

        B.citire();

    }

​

    public void produs()

    {

        float[, ] R;

        R = new float[A.n, A.n];

        for (int i = 0; i < A.n; i++)

        {

            for (int j = 0; j < A.n; j++)

            {

                R[i, j] = 0;

                for (int k = 0; k < A.n; k++)

                {

                    R[i, j] += A.a[i, k] * B.a[k, j];

                }

            }

        }

​

        for (int i = 0; i < A.n; i++)

        {

            for (int j = 0; j < A.n; j++)

            {

                Console.Write(R[i, j] + " ");

            }

​

            Console.WriteLine();

        }

    }

}

​

public class Program

{

    public static void Main()

    {

        /*matpat A;

        int x;

        x = int.Parse(Console.ReadLine());

        A = new matpat(x);

        A.citire();

        A.Det();

        A.afisare();

        Console.WriteLine(A.d);

        A.Inv();

        A.afisareinv();*/

        sistem s1;

        s1 = new sistem();

        s1.produs();

    }

}