EqualWords

using System;

namespace EqualWords
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] data = {"yes", "no" };
            string wordOne = Console.ReadLine().ToLower();
            string wordTwo = Console.ReadLine().ToLower();
            if (wordOne==wordTwo)
            {
                Console.WriteLine(data[0]);
            }
            else
            {
                Console.WriteLine(data[1]);
            }
        }
    }
}