static void Main()
{
Student student1 = new Student("Pesho", "Pehsev", "Peshev", 12345, "Sofia",
89765223, "*****@*****.**", University.SU, Faculty.finance, Specialty.finance);
Student student2 = new Student("Pesho", "Peshev", "Peshev", 54331, "Sofia",
7432487, "*****@*****.**", University.TU, Faculty.IT, Specialty.IT);
Console.WriteLine(student1);
Console.WriteLine();
Console.WriteLine(student2);
Console.WriteLine(student1 != student2);
Console.WriteLine(student1 == student2);
Console.WriteLine(student1.GetHashCode());
Console.WriteLine();
Student student3 = (Student)student1.Clone();
Console.WriteLine(student3);
Console.WriteLine(student1.ComparerTo(student2));
Console.WriteLine(student1.ComparerTo(student3));
}