using System;

namespace TestingStuff
{
    class Program
    {
        public static void Main()
        {
            One o = new One();
            Console.WriteLine(o.blah()._x);
        }
    }
    class One
    {
        public class Two
        {
            public int _x;
            public Two()
            {
                _x = 5;
            }
        }
        public Two blah()
        {
            return new Two();
        }
    }
}