public class MyMath
{
    /**
     * Returns the absolute value of x
     *
     * @param x An integer for which to find the absolute value
     *
     * @result The absolute value of x, as an integer
     */
     
    public static int abs( int x )
    {
        // DECLARE VARIABLES/DATA DICTIONARY

        int absX;   // RESULT:  the absolute value of x
        
        // BODY OF ALGORITHM
   
        if ( x >= 0 )
        {
            absX = x;
        }
        else
        {
            absX = -x;
        }

        // RETURN RESULT
        
        return absX;
    }
    
    /**
     * Performs exponentiation by raising x to the power of y.
     *
     * @param x Base of exponentiation
     * @param y Power of exponentiation
     *
     * @result x to the power of y, as an integer
     */
     
    public static int pow( int x, int y )
    {
        // DECLARE VARIABLES/DATA DICTIONARY

        int xToY;   // RESULT:        x raised to the power y
        int count;  // INTERMEDIATE:  counts the number of multiplcations

        // BODY OF ALGORITHM

        xToY = 1;
        count = 1;
        
        while ( count <= y )
        {
            xToY = xToY * x;
            count = count + 1;
        }
        
        // RETURN RESULT
        
        return xToY;
    }
}