public static void Main()
{
var family = new Family();
int numberOfMembers = int.Parse(Console.ReadLine());
for (int i = 0; i < numberOfMembers; i++)
{
string[] memberInfo = Console.ReadLine().Split();
family.AddMember(new Person(memberInfo[0], int.Parse(memberInfo[1])));
}
var olderThanThirty = family.GetMembersOverTrirtyYearsOld();
Console.WriteLine(string.Join(Environment.NewLine, olderThanThirty.OrderBy(p => p.Name)));
}