Еднакви думи

using System;

namespace tESt
{
    class Program
    {
        static void Main(string[] args)
        {

            string wordOne = Console.ReadLine();
            string wordTwo = Console.ReadLine();

            if ((wordOne = wordOne.ToLower()) == (wordTwo = wordTwo.ToLower()))
            {
                Console.WriteLine("yes");
            }
            else
                Console.WriteLine("no");

        }


    }

}