public static void Main(string[] args) { Set<string> s = new Set<string>(); s.AddWord("123"); s.AddWord("234"); s.AddWord("345"); Set<string> s2 = new Set<string>(); s2.AddWord("321"); s2.AddWord("234"); s2.AddWord("345"); Console.WriteLine(s); Console.WriteLine(); Console.WriteLine(s2); Console.WriteLine(); Set<string> s3 = s.Sum(s2); Console.WriteLine(s3); Set<string> s4 = s.Sub(s2); Console.WriteLine(s4); Set<string> s5 = s.Intersect(s2); Console.WriteLine(s5); Console.WriteLine(); }