static void Main(string[] args) { List myList = new List(); StackRepetitions MyStackOfRepetitions = new StackRepetitions(); StackUnique MyStackOfUniques = new StackUnique(); Random randomNumber = new Random(); for (int i = 0; i < 10; i++) { myList.InsertIntoBeginning(randomNumber.Next(1, 20)); } Console.WriteLine("----------------------------"); Console.WriteLine("My list: "); myList.ShowList(); Console.ReadKey(); myList.FindDuplicateNumbers(MyStackOfRepetitions, MyStackOfUniques); Console.WriteLine("\n----------------------------"); Console.WriteLine("My stack of repetitions: "); MyStackOfRepetitions.ShowStack(); Console.ReadKey(); Console.WriteLine("----------------------------"); Console.WriteLine("My stack of unique values: "); MyStackOfUniques.ShowStack(); Console.ReadKey(); }