Arrays

using System.IO;
using System;

class Program
{
    static void Main()
    {
        ParamArray pa = new ParamArray();

        int total = pa.GetValues(1265, 8978, 8713, 123688);
        Console.WriteLine("Sum of values: {0}", total;        
        Console.ReadLine();
    }
}

class ParamArray
{
    public int GetValues(params int[] arr)
    {
        int sum;
        foreach(int i in arr)
        {
            sum += i;
        }
        return sum;
    }   
}