using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication11
{
    class Exam
    {
        public string Name;
        public int rating;
        public int Rating
        {
            get
            {
                if (rating < 5)
                    return 2;
                else
                    return (rating + 1) / 2;
            }
            set
            {
                if (value < 0)
                    rating = 0;
                else if (value > 10)
                    rating = 10;
                else
                    rating = value;
            }
        }
        public Exam(string name)
        {
            name = name;
        }
    }
    class Program
    {
        static void Main()
        {
            Exam examen = new Exam("Петров");
            Console.Write("Студент - {0}: введите оценку за экзамен:");
            examen.Rating = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("В зачетку: {0}", examen.Rating);
            Console.ReadKey();
        }
    }
}