class Stuff $\{$

public int number$=1$;

$\}$

class Main $\{$

public static void do$\_$things$($int y$)\{$

y$+=3$;

$\}$

public static void do$\_$other$\_$things$($Stuff y$)\{$

y$.$number$+=3$;

$\}$

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

int a$=3$;

Stuff myStuff $=$ new Stuff$()$;

do$\_$things$($a$)$;

do$\_$other$\_$things$($myStuff$)$;

System.out.println$("$a:$"+$a$+"$ myStuff.number:"$+$myStuff.number$)$;

$\}$

$\}$