//******************************************
// classe Rettangolo                       *
//******************************************

public class Rettangolo
{
  	private int x, y, amp, alt;
	
  	Rettangolo(int x, int y, int amp, int alt) 
	{
    	x = x;
    	this.y = y;
    	this.amp = amp;
    	this.alt = alt;
	}
	
	Rettangolo (int x, int y, Rettangolo unRettangolo)
	{
		this.x = x;
		this.y = y;
		this.amp = unRettangolo.amp;
		this.alt = unRettangolo.alt;
	}
		
	public int perimetro ()
	{
		return (2 * amp + 2 * alt);
	}
	
	public String toString ()
	{
		return "x: " + x +"\ty: " + y + "\tamp: " + amp + "\talt: " + alt;
	}
}