using System;

​

public struct Point { public int X, Y; } 

​

public class Program

{

    public static void Main()

    {

        Point pl = new Point();

        pl.X = 7; 

        Point р2 = pl;

        Console.WriteLine(pl.X); 

        Console.WriteLine(р2.X); 

        pl.X = 9; 

        Console.WriteLine(pl.X); 

        Console.WriteLine(р2.X); 

    }

}