using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        int student,floor,bulding,room,floorfinal,roomfinal;

        Console.WriteLine("number of student");

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

        room=student/40;

        Console.WriteLine("number of room is{0}",room);

        floor=room/8;

        Console.WriteLine("number of floor is{0}",floor);

        bulding=floor/4;

        Console.WriteLine("number of buldings is{0}",bulding);

        roomfinal=room%4;

        Console.WriteLine("number of Remainderroom is{0}",roomfinal);

        floorfinal=floor%8;

        Console.WriteLine("number of floorfinal is{0}",floorfinal

    }

}

​