package ru.alexandr;

/**
 * Calculate class.
 * @author Alexandr Golubev (deed27@narod.ru)
 * @since 24.11.2016
 */

public class Calculate {
	/**
	 * Main.
	 * @param args - args.
	 */
    public static void main(String[] args) {
	System.out.println("Hello world!");
    }
}
add structure