int main

$($

$)$

$\{$

$$ x

$=$

$$fork

$($

$)$

;

$$ if

$($

$$x

$=$

$=$

$0$

$)$

$\{$

$$ for

$($

$$i

$=$

$0$

; i

$<$

$2$

; i

$+$

$+$

$)$

$\{$

$$ y

$=$

$$fork

$($

$)$

;

$$ if

$($

y

$=$

$=$

$0$

$)$

$\{$

$$ fork

$($

$)$

;

$$

$\}$

$$

$\}$

$$

$\}$

$\}$

create process tree for this code and tell me how many processes were created. Give a drawing of the process tree