static void Main(string[] args)
{
Square square1 = new Square("square", 5);
//square1.GetInfo;
Console.WriteLine(square1.Area());
global::System.Console.WriteLine(square1.Area());
Circle circle1 = new Circle("circle", 10);
circle1.GetInfo();
Console.WriteLine();
global::System.Console.WriteLine(circle1.Area());
Circle circle2 = new Circle("circle", 20);
circle2.GetInfo();
Console.WriteLine(circle2.Area());
Console.WriteLine(circle1.CircleNumber);
}