2DRectangle

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RectangleArea
{
    class RectangleArea
    {
        static void Main(string[] args)
        {
            double X1 = double.Parse(Console.ReadLine());
            double Y1 = double.Parse(Console.ReadLine());
            double X2 = double.Parse(Console.ReadLine());
            double Y2 = double.Parse(Console.ReadLine());

            double sideA = Math.Abs(X1 - X2);
            double sideB = Math.Abs(Y1 - Y2);

            double area = sideA * sideB;
            double perimeter = 2*(sideB + sideA);

            Console.WriteLine(area);
            Console.WriteLine(perimeter);

        }
    }
}