using System;

interface ICube
{
   // Property signatures:
   int x
   {
      get;
      set;
   }
   
}
 
class Cube : ICube
{
   // Fields:
   private int _x;
 
   // Constructor:
   public Cube(int x)
   {
      _x = x * x * x;
   }
 
   // Property implementation:
   public int x
   {
      get
      {
         return _x;
      }
 
      set
      {
         _x = value;
      }
   }
 
}
 
class MainClass //or Program
{
   static void PrintCube(ICube p)
   {
      Console.WriteLine("x={0}", p.x);
   }
 
   static void Main()
   {
      int a = 100;
      
      Cube p = new Cube(a);
      Console.Write("My Cube: ");
      PrintCube(p);
   }
}