public bool balanced(string text, char a, char b)
        {
            char[] temp = text.ToCharArray();
            int[] counter = { 0, 0 };
            for (int i = 0; i < text.Length; i++)
            {
                if (temp[i] == a)
                    counter[0] += 1;
                if (temp[i] == b)
                    counter[1] += 1;
            }
            if (counter[0] == counter[1])
                return true;
            else
                return false;
        }