using System;

using System.Net.NetworkInformation;

public class Program

{

    public static void Main()

    {

        net_adapters();

        Console.WriteLine("Hello World");

    }

    public static void net_adapters() 

    { 

        foreach (NetworkInterface nic in NetworkInterface.GetAllNetworkInterfaces()) 

        { 

            Console.WriteLine(nic.Name);            

        }       

    }

}