textBox1.Text = "";
            textBox2.Text = "";
            StreamReader sr = new StreamReader("text.txt");
            string s="";
            while (!sr.EndOfStream)
            {
                s = sr.ReadLine();
                textBox1.Text = textBox1.Text + s + System.Environment.NewLine;
                int n = s.Length;
                for (int i = 0; i < n; i++)
                {
                    if(n>2) break;
                    if(n==2)
                    {
                        if (Char.IsDigit(s[0]) && Char.IsDigit(s[1]))
                        {
                            textBox2.Text = textBox2.Text + s + System.Environment.NewLine;
                            break;
                        }
                        else break;
                    }
                    if (Char.IsDigit(s[i]))
                    {
                        if ((i == 0) && Char.IsDigit(s[i+1]) && !Char.IsDigit(s[i+2]))
                        {
                            textBox2.Text = textBox2.Text + s + System.Environment.NewLine;
                            break;
                        }
                        if (i == n - 2)
                        {
                            if (Char.IsDigit(s[i+1]) && !Char.IsDigit(s[i-1]))
                            {
                                textBox2.Text = textBox2.Text + s + System.Environment.NewLine;
                                break;
                            }
                        }
                        else if ((i != n-1) && (i != 0) && Char.IsDigit(s[i+1]) && !Char.IsDigit(s[i+2]) && !Char.IsDigit(s[i-1]))
                        {
                            textBox2.Text = textBox2.Text + s + System.Environment.NewLine;
                            break;
                        }
                    }
                }
            }
        }
    }
}