using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

            int numberofstudents,Buildings ,Floors ,Room;

        Console.WriteLine("please inter the num of numberofstudents");

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

        Buildings=numberofstudents/1280;

        Floors=numberofstudents%1280/320;

        Room=numberofstudents%1280/320/40;

        Console.WriteLine("the Buildings is {0},Floors{1},Room{2}",Buildings,Floors,Room);

        }

}

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