public class Count $\{$

public static int A$($int x$)\{$

if$($x$<20)$ x$=$A$($x$+5)+$B$($x$)$;

return x;

$\}$

public static int B$($int x$)\{$

System.out.print$("*")$;

return $3*$ x;

$\}$

public static int C$($int x$)\{$

System.out.print$("*")$;

return $3*$ A$($x$-3)$;

$\}$

public static boolean D$($boolean x$,$ boolean y$)\{$

return $(($x $||!$y$)||($x && y$))$;

$\}$

public static boolean E$($boolean x$,$ boolean y$)\{$

return $(!$x && $($x && y$))$;

$\}$

public static void main$($String$[]$ args$)\{$

System.out.println$($A$(3))$;

System.out.println$($B$(3))$;

System.out.println$($C$(3))$; V$)$

System.out.println$($E$($true$,$ false$))$;

$\}$

$\}$ a$(3)=8+9+15+24+39+54(8+9+15$ how to count$)?$Do you explain $8915$ clear thanks!