using System;

public class Program

{

    public static void Main()

    {

        int sum1 = Sum(5, 3);

        int sum2 = Sum(1, 2, 3, 4, 5);

        int sum3 = Sum(10, 20, 30, 40, 50, 60);

        Console.WriteLine("Sum1: "+sum1+  " Sum2: "+sum2 +" Sum3: "+ sum3);

    }

    public static int Sum(params int [] array)

    {

        int sum = 0;

        for(int i = 0;i<array.Length;i++)

        {

            sum+=array[i];

        }

        return sum;

    }

}