using System;

namespace Prov
{
    class A
    {
        int a = 8;
        int b = 5;
        public int c
        {
            get { a = a + a; --b; return a - b; }
            set { c = value; }
        }
    }
    class programm
    {
        public static void Main()
        {
            A myA = new A();
            Console.WriteLine("{0}", myA.c);
        }
    }
}