Given the following method:

public static void mystery $($int $x)\{$

int $y=0$;

while

$y++$;

$\}$

$x=\frac{x}{2}$;

$\}$

System.out.print $ln(x++y)$;

Write the output of each of the following calls.

mystery $(19)$;

mystery $(42)$;

mystery $(48)$;

mystery $(40)$;