public static void Main(string[] args)
{
int n = int.Parse(Console.ReadLine());
Family familyMembers = new Family();
for (int i = 0; i < n; i++)
{
string[] info = Console.ReadLine().Split();
string name = info[0];
int age = int.Parse(info[1]);
Person member = new Person(name, age);
familyMembers.AddMember(member);
}
Console.WriteLine(familyMembers.GetMemebersAbove30());
}