public class MathUtilities
{
    private static int number = 37;

    public double square(double num)
    {
        number = 56;
        return num * num;
    }
    
    public static int pow(int x, int y)
    {
        System.out.println("Number = " + number);
        int result = 1;
        for(int i = 0; i < y; i++)
        {
            result *= x;
        }
        return result;
    }
    
    public static void printNumber()
    {
        System.out.println(number);
    }
}