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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            int[,] a = new int[4, 4];
            int[,] b = new int[4, 4];
            int[,] c = new int[4, 4];
       
            a[1, 1] = int.Parse(textBox1.Text);
            a[1, 2] = int.Parse(textBox14.Text);
            a[1, 3] = int.Parse(textBox11.Text);
            a[2, 1] = int.Parse(textBox2.Text);
            a[2, 2] = int.Parse(textBox8.Text);
            a[2, 3] = int.Parse(textBox12.Text);
            a[3, 1] = int.Parse(textBox9.Text);
            a[3, 2] = int.Parse(textBox3.Text);
            a[3, 3] = int.Parse(textBox15.Text);

            b[1, 1] = int.Parse(textBox19.Text);
            b[1, 2] = int.Parse(textBox20.Text);
            b[1, 3] = int.Parse(textBox22.Text);
            b[2, 1] = int.Parse(textBox21.Text);
            b[2, 2] = int.Parse(textBox25.Text);
            b[2, 3] = int.Parse(textBox26.Text);
            b[3, 1] = int.Parse(textBox24.Text);
            b[3, 2] = int.Parse(textBox23.Text);
            b[3, 3] = int.Parse(textBox27.Text);

          
           
          
            c[1,1]= a[1,1]*b[1,1]+a[1,2]*b[2,1]+a[1,3]*b[3,1];
            c[1,2]= a[1,1]*b[1,2]+a[1,2]*b[2,2]+a[1,3]*b[3,2];
            c[1,3]= a[1,1]*b[1,3]+a[1,2]*b[2,3]+a[1,3]*b[3,3];
            c[2,1]= a[2,1]*b[1,1]+a[2,2]*b[2,1]+a[2,3]*b[3,1];
            c[2,2]= a[2,1]*b[1,2]+a[2,2]*b[2,2]+a[2,3]*b[3,2];
            c[2,3]= a[2,1]*b[1,3]+a[2,2]*b[2,3]+a[2,3]*b[3,3];
            c[3,1]= a[3,1]*b[1,1]+a[3,2]*b[2,1]+a[3,3]*b[3,1];
            c[3,2]= a[3,1]*b[1,2]+a[3,2]*b[2,2]+a[3,3]*b[3,2];
            c[3,3]= a[3,1]*b[1,3]+a[3,2]*b[2,3]+a[3,3]*b[3,3];
            textBox5.Text = Convert.ToString(c[1,1]);
            textBox6.Text =Convert.ToString(c[1,2]);
            textBox16.Text = Convert.ToString(c[1,3]);
            textBox4.Text = Convert.ToString(c[2,1]);
            textBox13.Text = Convert.ToString(c[2,2]);
            textBox17.Text = Convert.ToString(c[2,3]);
            textBox10.Text = Convert.ToString(c[3,1]);
            textBox7.Text = Convert.ToString(c[3,2]);
            textBox18.Text = Convert.ToString(c[3, 3]);
            
        }
        private void textBox13_TextChanged(object sender, EventArgs e)
        {
        }
        private void textBox10_TextChanged(object sender, EventArgs e)
        {
        }
        private void label1_Click(object sender, EventArgs e)
        {
        }
        private void Form2_Load(object sender, EventArgs e)
        {
        }
    }
}