static void Main(string[] args)
{
Family family = new Family();
int n = int.Parse(Console.ReadLine());
for (int i = 0; i < n; i++)
{
string[] input = Console.ReadLine().Split(' ', StringSplitOptions.RemoveEmptyEntries).ToArray();
string name = input[0];
int age = int.Parse(input[1]);
Person person = new Person(name, age);
family.AddMember(person);
}
HashSet <Person> result = family.GetAllThePeopleOver30();
foreach (var person in result)
{
Console.WriteLine($"{person.Name} - {person.Age}");
}
}