01. 2D Rectangle Area

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class delete {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        double x1 = Double.valueOf(reader.readLine());
        double y1 = Double.valueOf(reader.readLine());
        double x2 = Double.valueOf(reader.readLine());
        double y2 = Double.valueOf(reader.readLine());

        double xSide = Math.abs(x1 - x2);
        double ySide = Math.abs(y1 - y2);

        double area = xSide * ySide;
        double perimeter = 2 * (xSide + ySide);

        System.out.println(area);
        System.out.println(perimeter);
    }
}