PB-2DRectangleArea-AngelKalinkov

using System;

namespace _2DRectangleArea
{
    class Program
    {
        static void Main(string[] args)
        {
            double y1 = double.Parse(Console.ReadLine());
            double x2 = double.Parse(Console.ReadLine());
            double y2 = double.Parse(Console.ReadLine());
            double x1 = double.Parse(Console.ReadLine());

            double width = Math.Abs(x1 - x2);
            double height = Math.Abs(y1 - y2);
            double area = width * height;
            double perimeter = (width + height) * 2;

            Console.WriteLine($"{area}\r\n{perimeter}");
        }
    }
}