What is the output of this Java program?

class Driver $\{$

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

int $a=$bar $(1)$;

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

$\}$

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

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

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

return a;

$\}$

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

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

return a $+3$ ;

$\}$

$\}$