static void Main(string[] args)
{
//Circle c = new Circle();
//c.Age = 20; //Setter part executes here
//int StudentAge = c.Age; //Getter part executes here
//Console.WriteLine("Enter the Score");
//c.Score = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine($"You have entered score : {c.Score}");
//c.ShowAge();
//Constructor
//Example e = new Example(2);
//e.DisplayUserID();
//student std = new student();
//Employee emp;
//Shape s = new Shape();
//s.Add(20, 30);
//s.Sub(50, 20);i
//s.CircleArea(4);
Consume c = new Consume(1);
c.Add();
c.Multiply();
c.Jack();
Customer cs = new Customer(1);
cs.Add();
int a = 4;
int k = a.Square();
k = a.Tri(4);
double d = 2;
double res = d.Area();
Console.ReadKey();
}