static void Main()
{
Student peter = new Student("Peter", "Ivanov", new DateTime(1992, 03, 17));
Student stella = new Student("Stella", "Markova", new DateTime(1993, 11, 03));
Console.WriteLine(peter);
Console.WriteLine(stella);
Console.WriteLine("{0} is older than {1} -> {2}",
peter.FullName, stella.FullName, peter.CompareStudentsBirthDates(stella));
Console.WriteLine("{0} is older than {1} -> {2}",
stella.FullName, peter.FullName, stella.CompareStudentsBirthDates(peter));
}
