class Driver $\{$

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

int $a=$foo$(9)$;

int $b=$a;

$\}$

static int foo$($int a$)\{$

a $=$ bar $(a-2)$;

System.out.print$($a$)$;

return a;

$\}$

static int bar$($int a$)\{$

$a=a-1$;

System.out.print$($a$)$;

return $a+1$;

$\}$

$\}$