class Driver $\{$

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

foo$(5)$;

bar$(2)$;

$\}$

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

bar$($ a $-1)$;

system.out.pront$($a$)$:

$\}$

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

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

$\}$

$\}$