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import java.util.Scanner;

class Circle {
    private double radius;

    // Parameterized constructor to set the radius
    public Circle(double radius) {
        this.radius = radius;
    }

    // Method to calculate the circumference of the circle
    public double calculateCircumference() {
        return 2 * Math.PI * radius;
    }

    // Method to calculate the area of the circle
    public double calculateArea() {
        return Math.PI * radius * radius;
    }
}

public class CircleDemo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        // Get the radius from the user
        System.out.print("Enter the radius of the circle: ");
        double radius = scanner.nextDouble();

        // Create a Circle object with the provided radius
        Circle circle = new Circle(radius);

        // Calculate and display the circumference and area
        System.out.println("Circumference of the circle: " + circle.calculateCircumference());
        System.out.println("Area of the circle: " + circle.calculateArea());

        scanner.close();
    }
}
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