package filer;



import java.io.*;



/*class Filer implements Serializable, Versionable //Original

{	public String toString(){return "" + x ;}

	private int x = 999;



	public Object newVersion(Object o)

	{	// return null; // originally

		return new FilerTemp(this.x, 444); // at time of updating to new version

	}



}

*/

class Filer implements Serializable, Versionable // new version

{	Filer(int x, int y)

	{	this.x = x;

		this.y = y;

	}

	

	public String toString(){return "" + x + " " + y;}

	

	public Object newVersion(Object o)

	{	 return null;

		

	}

	

	private int x;

	private int y;

}