using System;

public class AddEm

{

    public static long Add( params int[] args )

    {

        int ctr = 0;

        long ttl = 0;

        for (ctr = 0; ctr < args.Length; ctr++)

        {

            ttl += args[ctr];

        }

        return ttl;

    }

}

​

public class Program

{

    public static void Main()

    {

        long Total;

        Total = AddEm.Add( 1 );

        Console.WriteLine("Total of (1) = {0}" , Total);

        Total = AddEm.Add( 1, 2 );

        Console.WriteLine("Total of (1, 2) = {0}" , Total);

    }

}