import java.util.Scanner;
public class RectangleTest{
    public static void main (String args[]){
        Scanner scan = new Scanner (System.in);
        System.out.println ("Input length");
        int l = scan.nextInt();
        System.out.println ("Input width");
        int w = scan.nextInt();
        Rectangle r =new Rectangle (l, w);
        System.out.println ("Length = " + r.getLength());
        System.out.println ("Width = " + r.getWidth());
        System.out.println ("Area = " + r.getArea());
        System.out.println ("Input new length");
        int m = scan.nextInt();
        System.out.println ("Input new width");
        int n = scan.nextInt();
        r.setLength(m);
        r.setWidth(n);
        System.out.println ("Length = " + r.getLength());
        System.out.println ("Width = " + r.getWidth());
        System.out.println ("Area = " + r.getArea());
    }
}