Help c# consol application

public static void Main()
        { int num;
        Console.Write("ruzaye omreto vared k.o.n: ");
        num = Convert.ToInt32(Console.ReadLine());
        string sal = (num / 365).ToString();
        string mah = (num / 30).ToString();
        string hafte = (num / 4).ToString();
        string saat = (num * 24).ToString();
        Console.WriteLine("shoma "+ sal+ " salo "+ mah +" maho " + hafte+" hafteo "+ num.ToString()+" ruzo " +saat+" saat send darid\r\n and we love freebuzz.ir \r\n noghte :$" );
          Console.ReadLine();
            }