static void Main(string[] args)
{
MethodInfo oldestMemberMethod = typeof(Family).GetMethod("GetOldestMember");
MethodInfo addMemberMethod = typeof(Family).GetMethod("AddMember");
if (oldestMemberMethod == null || addMemberMethod == null)
{
throw new Exception();
}
var family = new Family();
var inputCount = int.Parse(Console.ReadLine());
for (int i = 0; i < inputCount; i++)
{
var parameters = Console.ReadLine().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var person = new Person(parameters[0], int.Parse(parameters[1]));
family.AddMember(person);
}
Console.WriteLine(family.GetOldestMember());
}