class Counter $\{$

private int seconds$=0$;

public void addOne$()\{$

seconds$++$;

$\}$

public void subtractOne$()\{$

seconds$--$;

$\}$

public int currentCount$()\{$

return seconds;

$\}$

$\}$

class Main $\{$

public static int doStuff$($int x$,$ Counter a$)\{$

x$++$;

a$.$addOne$()$;

return x$+$a$.$currentCount$()$;

$\}$

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

int x$=0$;

int y$=0$;

Counter a $=$ new Counter$()$;

a$.$addOne$()$;

y$=$doStuff$($x$,$a$)$;

System.out.println$("$a $"+$a$.$currentCount$()+"$ x $"+$x$+"$ y $"+$y$)$;

$\}$

$\}$