public static void Main(string[] args)
        {
            string[] s = { "www", "ww", "wwk", "ww2" };
            string[] s1 = { "www", "wwk", "ww2", "ww2" };
            bool duplicated= false;
            int i = 0;
            while (true)
            {
                if (s.Contains(s1[i]))
                {
                    int a4s = occurrence(s, s1[i]);
                    int a4s1 = occurrence(s1, s1[i]);
                    if (a4s != a4s1)
                    {
                        break;
                    }
                    else
                    {
                        if(i==s.Length-1)
                        {
                            duplicated= true;
                            break;
                        }
                        else{
                        }
                        i++;
                    }
                    
                 }
                    
                else
                {
                    break;
                }
            }
            Console.WriteLine(duplicated);


        }
        public static int occurrence(string [] a, string a2)
        {
            int occ = 0;
            for (int i = 0; i < a.Length;i++ )
            {
                if(a[i].Equals(a2))
                {
                    occ++;
                }

            }
            return occ;
        }
  
    }