using System;

​

public class Shape

{

    private int shape_no;

    private double x_coordinate;

    private double y_coordinate;

    public double getXCoordinate()

    {

        return x_coordinate;

    }

​

    public void setXCoordinate(double value)

    {

        this.x_coordinate = value;

    }

    public virtual void print()

    {

        Console.WriteLine("X coordinate: " + this.getXCoordinate());

    }

}

​

public class Program

{

    public static void Main(string[] args)

    {

        Shape shape = new Shape();

        shape.setXCoordinate(5);

        shape.print();

        Console.ReadLine();

    }

}