/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */

/**
 *
 * @author caleb
 */
public class Exercise01_07 {
    public static void main(String[] args)
    {
        System.out.println(4 * (1.0 - (1.0/3) + (1.0/5) - (1.0/7) + (1.0/9) - (1.0/11)));
        System.out.println(4 * (1.0 - (1.0/3) + (1.0/5) - (1.0/7) + (1.0/9) - (1.0/11) + (1.0/13)));
    }
}