//Justin Behrman
public class Main{
	public static void main(String[] args) {
		
		double pi1 = 4.0 * (1.0 - ((1.0 / 3.0) + (1.0 / 5.0) - (1.0 / 7.0) + (1.0 / 9.0) - (1.0 / 11.0)));
		double pi2 = 4 * ((1.0 - (1.0 / 3.0) + (1.0 / 5.0) - (1.0 / 7.0) + (1.0 / 9.0) - (1.0 / 11.0) + (1.0 / 13.0)));

		System.out.println(pi1);
		System.out.println(pi2);
	
	}
}