string line;
            double[,] input = new double[5200, 169];
            for(int i = 0; i < 26; i++)
            {
                System.IO.StreamReader file = new System.IO.StreamReader(@"C:\Users\Paweł\Desktop\txt\" + Convert.ToChar(i+97) + ".txt");
                while ((line = file.ReadLine()) != null)
                {
                    for (int b = 0; b < 200; b++)
                        for (int j = 0; j < 169; j++)
                        {
                            input[b, j] = line[j] - 48;
                        }
                }
                file.Close();
            }
            double[][] inputs = new double[5200][];
            for (int i = 0; i < 5200; i++)
            {
                double[] a = new double[169];
                for (int j = 0; j < 169; j++)
                    a[j] = input[i, j];

                inputs[i] = a;
            }

            /*
            file = new System.IO.StreamReader(@"C:\Users\Paweł\Desktop\txt\b.txt");
            while ((line = file.ReadLine()) != null)
            {
                for (int i = 0; i < 200; i++)
                    for (int j = 0; j < 169; j++)
                    {
                        input[i, j] = line[j] - 48;
                    }
            }
            file.Close();

            for (int i = 200; i < 400; i++)
            {
                double[] a = new double[169];
                for (int j = 0; j < 169; j++)
                    a[j] = input[i, j];

                inputs[i] = a;
            }
            */
            double[][] outputs = new double[5200][];
            for (int i = 0; i < 200; i++)
            {
                outputs[i] = new double[] { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 200; i < 400; i++)
            {
                outputs[i] = new double[] { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 400; i < 600; i++)
            {
                outputs[i] = new double[] { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 600; i < 800; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 800; i < 1000; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 1000; i < 1200; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 1200; i < 1400; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 1400; i < 1600; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 1600; i < 1800; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 1800; i < 2000; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 2000; i < 2200; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 2200; i < 2400; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 2400; i < 2600; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 2600; i < 2800; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 2800; i < 3000; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 3000; i < 3200; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 3200; i < 3400; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 3400; i < 3600; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 3600; i < 3800; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 3800; i < 4000; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 };

            }
            for (int i = 4000; i < 4200; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0 };

            }
            for (int i = 4200; i < 4400; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 };

            }
            for (int i = 4400; i < 4600; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0 };

            }
            for (int i = 4600; i < 4800; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 };

            }
            for (int i = 4800; i < 5000; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 };

            }
            for (int i = 5000; i < 5200; i++)
            {
                outputs[i] = new double[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };

            }