What is the output of the program?

#include

using name space std;

int result $($int n$)$

$\{$

if $($n$<=10)$

return n;

else

$\{$

int a $=$ n$\%10$;

int b $=$ n$/10$;

return a $+$ result $($a$+$b$)$;

$\}$

$\}$

int main$()$

$\{$

cout$<$