StreamWriter sw = File.CreateText("temporal2");
            using (StreamReader final = File.OpenText("temporal"))
            {

                    while (!final.EndOfStream)
                    {
                        num1 = Convert.ToInt32(final.ReadLine());
                        linea1 = final.ReadLine();

                        using (StreamReader sr = File.OpenText("temporal"))
                        {
                            while(!sr.EndOfStream)
                            {

                                num2 = Convert.ToInt32(sr.ReadLine());
                                linea2 = sr.ReadLine();


                                if (num1 < num2)
                                {
                                    if (sr.EndOfStream)
                                    {
                                        sw.WriteLine(auxnum);
                                        sw.WriteLine(auxlinea);
                                    }
                                    else
                                    {

                                        num1 = num2;
                                        linea1 = linea2;
                                        auxnum = Convert.ToInt32(num1);
                                        auxlinea = linea1;
                                    }
                                }


                            }
                        sr.Close();
                        }

                    }
                    final.Close();
                }


                sw.Close();