using System;

namespace ConsoleApp18
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string parentheses = "(()(()))";
            char leftParenhesis = '(';
            char rightParenthesis = ')';
            int depth = 0;
            int maximumDepth = 0;
            int minimuDepth = 0;
            int controlNumber = 0;

            for (int i = 0; i < parentheses.Length; i++)
            {
                if (parentheses[i] == leftParenhesis)
                {
                    depth++;
                }
                else if (parentheses[i] == rightParenthesis)
                {
                    depth--;
                }

                if (depth > maximumDepth)
                {
                    maximumDepth = depth;
                }

                if(depth< minimuDepth)
                {
                    minimuDepth=depth;
                }
            }

            if (depth == controlNumber && minimuDepth == controlNumber)
            {
                Console.WriteLine("Корректно.");
            }
            else
            {
                Console.WriteLine("Не корректно.");
            }
        }
    }
}