using System;

​

public class Shape

{

    public int height;

    public int width;

    public float radius;

    public Shape(){}

}

public class Circle: Shape

{

    public Circle(float r){

    float pie = 3.14f;

    radius = r;

    float area;

    float circum;

    area = pie*radius*radius;

    circum = 2*pie*radius;

    Console.WriteLine("Area of Circle: "+area);

    Console.WriteLine("Circumstance of Circle: "+circum);

    }

}

public class Rect: Shape

{

    public Rect(int h,int w){

    int area;

    int circum;

    height = h;

    width = w;

    area = height*width;

    circum=2*(height+width);

    Console.WriteLine("Area of Rectangle: "+area);

    Console.WriteLine("Circumstance of Rectangle: "+circum);

    }

}

public class Manan

{

    public static void Main(String[] args)

    {

        int l,b;

        float r;

        Console.WriteLine("Enter the radius of the Circle: ");

        r = float.Parse(Console.ReadLine());

        Console.WriteLine("Enter the height of the Rectangle: ");

        l = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter the width of the Rectangle: ");

        b = Convert.ToInt32(Console.ReadLine());

        Circle c = new Circle(r);

        Rect re = new Rect(l,b);

    }

}