class Program
    {
        static void Main(string[] args)
        {
            bool a;
            int[] taba = { 2, 4, 3 };
            int[] tabb = { 1, 3};

            if (taba[0] == tabb[0] || taba[taba.Length - 1] == tabb[tabb.Length - 1])
            {
                a = true;
                Console.WriteLine(CommonEnd(a));
            }
            else
            {
                a = false;
                Console.WriteLine(CommonEnd(a));
            }
            Console.ReadKey();
        }

        static bool CommonEnd(bool a)
        {
            return a;
        }

    }