What is the output of this Java program?

class Driver $\{$

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

int $a=72$;

int $b=0$;

for $($int $c=5$;$c3$;$c-)\{$

$b=5$;

while

$b=b-1$;

$a=a-b$;

$\}$

$b=b+a$;

$\}$

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

$\}$

$\}$