using System;

​

class Program

{

    //entry point

    static void Main()

    {

        Console.WriteLine("This is the entry point");

        Main(10);

    }

​

    //overload Main method

    static void Main(int a)

    {

        Console.WriteLine(a);

        Main(10, 20);

    }

​

    //overload Main method

    static void Main(int a, int b)

    {

        Console.WriteLine("{0}, {1}",a, b);

    }

}