using System;

public class Program

{

    public static void Main()

    { int build , students , rooms , tawabeek ;

        Console.WriteLine("enter the num of students");

     students=int.Parse(Console.ReadLine());

     build=students/1280;

 Console.WriteLine("the num of  build is {0} ",  build);

     tawabeek=students%(build*1280)/420;

      Console.WriteLine("the num of   tawabeek is {0} ",   tawabeek);

     rooms=students%(build*1280)%420/40;

      Console.WriteLine("the num of   rooms is {0} ",   rooms);

    }

}