Martin Eesmaa's first code C# program

using System;
using System.Threading;

public class Program
{
    public static void Main()
    {
        string input1 = "mA ma ma AA this is upper";
        string lowerinput1 = input1.ToUpper();
        Console.WriteLine(lowerinput1);
        string input2 = "THIS IS your NOW THIS IS LOWER";
        string upperinput2 = input2.ToLower();
        Console.WriteLine(upperinput2);
        Console.WriteLine("What is your favourite show? Example My Little Pony.");
        string input3 = Console.ReadLine();
        Console.Write("Your favourite show is ");
        Console.WriteLine(input3);
        string input4 = "Thanks for playing my game, everybody! By Martin Eesmaa";
        string lowerinput4 = input4.ToUpper();
        Console.WriteLine(lowerinput4);
        Console.WriteLine("This program will exit in three seconds...");
        var milliseconds = 3000;
        Thread.Sleep(milliseconds);
        Console.WriteLine("FINISHED!");
    }
}