import java.util.Scanner;

public class ex9f
{
    public static void main(String[] args)
    {
        Scanner input = new Scanner(System.in);

        System.out.print("**** Calculate x = y2 - y - 2 ****\n\nPlease enter a value for Y:\t");
        int num = input.nextInt();

        System.out.print(num + " squared - ( " + num  + " - 2 )  equals " + (squared(num) - subtract(num)));

    }

    public static int squared(int a)
    {
        return a * a;
    }

    public static int subtract(int a)
    {
        return a - 2;
    }
}