NakovsMatching

using System;
namespace NakovsMatching
{
    class NakovsMatching
    {
        static void Main()
        {
            string aWord = Console.ReadLine();
            string bWord = Console.ReadLine();
            int limitNum = int.Parse(Console.ReadLine());
            bool exist = false;
            for (int i = 1; i < aWord.Length; i++)
            {
                string aLeft = aWord.Substring(0,i);
                string aRight = aWord.Substring(i, aWord.Length - i  );

                for (int k = 1; k < bWord.Length; k++)
                {
                    string bLeft = bWord.Substring(0, k);
                    string bRight = bWord.Substring(k, bWord.Length - k);

                    long nakovs = Math.Abs(getWight(aLeft) * getWight(bRight)
                        - getWight(aRight) * getWight(bLeft));
                    if (nakovs <= limitNum)
                    {
                        Console.WriteLine("({0}|{1}) matches ({2}|{3}) by {4} nakovs",
                            aLeft, aRight, bLeft, bRight, nakovs);
                        exist = true;
                    }
                }
            }
            if (exist == false)
            {
                Console.WriteLine("No");
            }
        }
        static int getWight(string word)
        {
            int weight = 0;
            foreach (var item in word)
            {
                weight += (int)item;
            }
            return weight;
        }
    }
}