//
//  Read data from file
//		first is a circle and then a square
//


import java.util.Scanner;

class Lab_Oct9m
{
	public static void main(String[] args)
	{

			Scanner input = new Scanner(System.in);
			double value, area;
			String obj;

		// circle
			value = input.nextDouble();
			input.nextLine();
			obj = input.nextLine();

			area = 3.14 * value * value;
			System.out.println("The area of " + obj + " is: " + area);

		// square
			value = input.nextDouble();
			input.nextLine();
			obj = input.nextLine();

			area = value * value;

			System.out.println("The area of " + obj + " is: " + area);


	}
}