public static void Test()
        {
            Solution s = new Solution();

            //Console.WriteLine(s.NumPoints());

            Console.WriteLine(s.MaxDepth("(1+(2*3)+((8)/4))+1"));
            //Console.WriteLine(s.MaxDepth(""));
            Console.WriteLine(s.MaxDepth("(1)+((2))+(((3)))"));
            Console.WriteLine(s.MaxDepth("1+(2*3)/(2-1)"));
            Console.WriteLine(s.MaxDepth("1"));
        }