import java.util.Scanner;
import java.text.DecimalFormat;

class CalculateCircle
{
	public static void main(String[] args)
	{
			Scanner input = new Scanner(System.in);
			DecimalFormat f1 = new DecimalFormat("0.0");

			double radius, area, circumference;

			System.out.print("Input radius: ");
			radius = input.nextDouble();

			area = Math.PI * radius * radius;
			circumference = 2. * Math.PI * radius;

			System.out.println("The area is " + f1.format(area) );
			System.out.println("The area is " + f1.format(circumference) );
	}
}