using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Func<int,int> f =

            (n)=>(int)new[]{n,0,0}.Average();

        Console.WriteLine(f(3));

        Console.WriteLine(f(9));

        Console.WriteLine(f(-12));

        Console.WriteLine(f(10));

    }

}