class Circle {
  static final double PI = 3.141592653589793;
  int radius;
  
  Circle(int radius) {
    this.radius = radius;
  }
  
  int getRadius() { return radius; }
  void setRadius(int radius) { this.radius = radius; }
  double getArea() { return PI * radius * radius; }
  double getPerimeter() { return 2 * PI * radius; }

  
  static void main(String []args) {
    int radius = 3;
    Circle circle = new Circle(radius);
    System.out.println("Created circle with radius: "+radius);
    System.out.println("Perimeter of circle is: " + circle.getPerimeter());
    System.out.println("Area of circle is: " + circle.getArea());
  }
}