public static void Main()
var x1 = double.Parse(Console.ReadLine());
var x2 = double.Parse(Console.ReadLine());
var y1 = double.Parse(Console.ReadLine());
var y2 = double.Parse(Console.ReadLine());
double width = Math.Max(x1, x2) - Math.Min(x1, x2);
double height = Math.Max(y1, y2) - Math.Min(y1, y2);
Console.WriteLine("Лице = {0}", width*height);
Console.WriteLine("Периметър = {0}", 2*(width+height));