static void Main() { Person person1 = new Person("Andrew", DateTime.Parse("03.12.1999")); person1.Age(); person1.Output(); var people = new Person[6]; for (int i = 0; i < people.Length; i++) { people[i] = new Person(); people[i].Input(); people[i].Age(); } Console.WriteLine(); Console.WriteLine("Change name of people whose age is under 16"); for (int i = 0; i < people.Length; i++) { people[i].ChangeName(); Console.WriteLine(people[i].ToString()); } Console.WriteLine(); Console.WriteLine("People with the same names"); for (int i = 0; i < people.Length; i++) { for (int j = 1; j < people.Length; j++) { if (people[i] == people[j]) { Console.WriteLine($"Person{i + 1} and person {j + 1} have the same name"); } } } }