Hello, $person

gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HelloStuff
{
    class Program
    {
        static void Main(string[] args)
        {
            String question;
            question = "What is your name?";
            String username;
            Console.WriteLine(question);
            username = Console.ReadLine();
            String greeting = "Hi, " + username;
            switch (username)
            {
                case "Gretta": Console.WriteLine("Guten abend, " + username + "!!!");
                    break;
                case "Pierre": Console.WriteLine("Bonjour, " + username + "!!!");
                    break;
                default: Console.WriteLine(greeting);
                    break;
            }
            
            /*
            if (username == "Gretta")
            {
                Console.WriteLine("Guten abend, " + username + "!!!");
            }
            else if (username == "Pierre")
            {
                Console.WriteLine("Bonjour, " + username + "!!!");
            }
            else
            {
           //     Console.WriteLine(greeting);
            } */


            Console.ReadLine();
        }
    }
}