2D Rectangle Area

import java.util.Scanner;

public class 2DRectangleArea {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int  x1 = Integer.parseInt(scanner.nextLine());
        int  y1 = Integer.parseInt(scanner.nextLine());
        int  x2 = Integer.parseInt(scanner.nextLine());
        int  y2 = Integer.parseInt(scanner.nextLine());


        int   a = Math.max(x1 , x2) - Math.min(x1 , x2);
        int   b = Math.max(y1 , y2) - Math.min(y1 , y2);

        int  area = a * b ;
        int  parameter = 2 * (a + b);

        System.out.println((int)area);
        System.out.println((int)parameter);

    }
}