static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Person p1 = new Person();
p1.Id = 51;
p1.name = "Bhakti";
p1.printData();
Employee e1 = new Employee();
e1.Id = 1;
e1.name = "Niyati";
e1.salary = 50000;
e1.printData();
Manager m1 = new Manager();
m1.bonus = 10000;
m1.Id = 2;
m1.name = "Priya";
m1.salary = 20000;
m1.printData();
Salesman s1 = new Salesman();
s1.Id = 3;
s1.name = "Devanshi";
s1.salary = 15000;
s1.commission = 8000;
s1.printData();
Console.WriteLine(p1.ToString());
Console.WriteLine(e1.ToString());
Console.WriteLine(m1.ToString());
Console.WriteLine(s1.ToString());
Person p2 = e1;
Console.WriteLine(p2.ToString());
Square s = new Square();
s.length = 2;
Console.WriteLine(s.area());
s.draw();
}
