using System;
using System.Threading;
using System.Threading.Tasks;

namespace Lock
{
    class Program
    {
        static void Main(string[] args)
        {
            var account = new Account();
            Task.Run(() => Distribute(account));
            Thread.Sleep(1000);
            //Monitor.Enter(account);
            Console.WriteLine("monitored");
            Monitor.Exit(account);
            Console.WriteLine("exit");
            Task.Run(() => Distribute(account));
            Thread.Sleep(30000);
        }

        public static void Distribute(Account account)
        {
            lock (account)
            {
                Console.WriteLine("locked");
                Thread.Sleep(10000);
                Console.WriteLine("unlocked");
            }
        }
    }
}