Given the following function definition:

int xyz$($int number$)$

$\{$

int answer;

if $($number $>15)$

answer$=$ number;

else if $($number $\%5==0)$

answer$=$ xyz$($number $*2)-1$;

else

answer$=$ xyz$($number $+1)-2$;

return result;

$\}$

Questions:

When the following call is made:

cout $<<$ xyz$(2)<<$ endl;

The output displayed is

$12$

How many calls to xyz$()$ were made