using System;

using System.Collections.Generic;

using System.Text;

public class Program

{

    public static void Main()

    {

        string inputName;

        var names = new List<string>();

        int maxNamesInOutput = 3; //the max number of names we want to display

​

        while (true)

        {           

            Console.WriteLine("Enter a name, or press ENTER to stop:");

            inputName = Console.ReadLine();

            if (string.IsNullOrWhiteSpace(inputName))

            {

                break;

            }

            names.Add(inputName);

        }

        if(names.Count == 0)

        {

            Console.WriteLine("Not a single soul liked your post, you pathetic piece of shite :D");

            return; //we'll quit the Main() method early is the list is empty

        }

        var sb = new StringBuilder();

        int counter = 0;

        foreach(string name in names)

        {

            if(sb.Length > 0)

            {

                sb.Append(", ");

            }

            sb.Append(name);

            counter++;

            if(counter == maxNamesInOutput)

            {

                break;

            }

        }

        if(counter == maxNamesInOutput)

        {

            sb.Append(" and " + (names.Count - maxNamesInOutput) + " other(s) like your post.");

        }

        else

        {

            sb.Append(" liked your post");

        }

        Console.WriteLine(sb.ToString());

    }

}