static void Main(string[] args) { Student student; int age = 0, math = 0, physics = 0, rysk = 0; string name = "Name", surname = "Surname", patronymic = "Patronymic"; try { Console.WriteLine("Enter surname"); surname = Console.ReadLine(); Console.WriteLine("Enter name"); name = Console.ReadLine(); Console.WriteLine("Enter patronymic"); patronymic = Console.ReadLine(); Console.WriteLine("Enter age"); age = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Enter physics grade"); physics = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Enter math grade"); math = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Enter rysk grade"); rysk = Convert.ToInt32(Console.ReadLine()); } catch { Console.WriteLine("Incorrect enter"); return; } finally { Console.WriteLine("Блок finally"); } float srbal = (physics + math + rysk) / 3; student = new Student(name, surname, patronymic, age, physics, math, rysk); int i = 0; for (; ;) { Console.WriteLine("\n1 - Are you enter?\n2 - Check stuff\n3 - Check lecturer"); int operat = Convert.ToInt32(Console.ReadLine()); switch (operat) { case 1: student.AreyouEnter(srbal); break; case 2: Speciality(Operations.Staff); break; case 3: Speciality(Operations.Lecturers); break; default: Console.Clear(); break; } i++; if (i == 4) { break; } } Console.ReadLine(); }