private static void AddStudent()
{
Console.WriteLine("Enter name of a speciality: ");
string specialityName = Console.ReadLine();
Console.WriteLine("Enter name of a flow: ");
string flowName = Console.ReadLine();
Console.WriteLine("Enter group number: ");
int groupName = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter course number: ");
int course = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter student`s surname, name and patronymic: ");
string student = Console.ReadLine();
faculty.AddStudent(specialityName, flowName, groupName, course, student);
Console.WriteLine("Student added");
}
