CircleArea

import java.util.Scanner;

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

        String input = scanner.nextLine();
        double r  = Double.parseDouble(input);
        double circlePerimeter = 2 * 3.14 * r;
        double circleArea =  3.14 * r * r;

        System.out.printf("Perimeter: %.2f%nArea: %.2f", circlePerimeter, circleArea);
    }
}