//ZADANIE 5
        public static Boolean anagramy(String napis1, String napis2)
        {
            string trim1 = Regex.Replace(napis1, @"s", "");
            string trim2 = Regex.Replace(napis2, @"s", "");
            trim1 = trim1.ToLower();
            trim2 = trim2.ToLower();

            if (trim1.Length != trim2.Length)
                return false;
            else
            {
                for (int i = 0; i < trim1.Length; i++)
                {
                    int liczbaLiter1 = 0;
                    int liczbaLiter2 = 0;
                    for (int j = 0; j < trim1.Length; j++)
                    {
                        if (trim1[i] == trim1[j])
                            liczbaLiter1++;
                        if (trim1[i] == trim2[j])
                            liczbaLiter2++;
                    }
                    if (liczbaLiter1 != liczbaLiter2)
                        return false;
                }
                return true;
            }
        }