class Driver $\{$

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

foo$(6)$;

bar$(2)$;

$\}$

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

bar$($a $-1)$;

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

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

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

$\}$