using System;

namespace MyCompiler
{
    public partial class Properties
    {
        private readonly string _message;
        
        public Properties(string message)
        {
            _message = message;
        }
    }
    
    public partial class Properties
    {
        public string Message => _message;
    }
    
    public static class Program
    {
        public static void Main(string[] args)
        {
            var properties = new Properties("hello world");
            var message = properties.Message;
            
            Console.WriteLine(message);
        }
    }
}