What is the output of this Java program?

Class Driver $\{$

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

int $a=9$;

int $b=$;

for $($int $c=6$;$c3$;$c--)\{$

$b=6$;

while

b $=$ b $-1$;

$a=a+b$;

$\}$

$b=b+a$;

$\}$

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

$\}$

$\}$