2DRectangleArea

using System;

class Program
{
    static void Main(string[] args)
    {
        var x1 = double.Parse(Console.ReadLine());
        var y1 = double.Parse(Console.ReadLine());
        var x2 = double.Parse(Console.ReadLine());
        var y2 = double.Parse(Console.ReadLine());
        var width = Math.Abs(x1 - x2);
        var height = Math.Abs(y1 - y2);
        var area = width * height;
        var perimeter = 2 * (width + height);
        Console.WriteLine(area);
        Console.WriteLine(perimeter);
    }
}