static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Patrat P1;
P1.length = 200;
P1.width = 50;
Console.WriteLine("Patratul P1 cu L = {0} si l = {1} are Aria = {2}", P1.length, P1.width, P1.Arie());
Patrat P2 = new Patrat(100, 40);
Console.WriteLine("Patratul P2 cu L = {0} si l = {1} are Aria - {2}", P2.length, P2.width, P2.Arie());
Console.ReadLine();
}
