What is the output of the following code:

int $a=5,b=10,c=15$

$a=3**7+9$

$b=b+71**7$

$c=a+b$;

int$*$ arr$[]=\{$&$a,$&$b,$&$c\}$

cout

Select one:

$527$

$507$

$60$

compilation error