EqualWords

using System;

namespace EqualWords
{
    class Program
    {
        static void Main(string[] args)
        {
            string firstWord = Console.ReadLine();
            string secondWord = Console.ReadLine();

            firstWord = firstWord. ToUpper();
            secondWord = secondWord. ToUpper();

            if (firstWord == secondWord)
            {
                Console.WriteLine("yes");

            }
           else
            {

                 Console.WriteLine("no");
            }
    }   }
}