ComputeArea2

}
import java.util.Scanner;


public class ComputeArea2 {
	public static void main(String args[])
	{
		final double PI = 3.14159;
		double area;
		double radius =0.0;
		Scanner sc =new Scanner(System.in);
		while (sc.hasNextDouble()){
			radius = sc.nextDouble();
			area = PI * radius * radius;
			System.out.println("The area for the circle is"+area);
		}
			sc.close();
			
		}
	}