$8\mathrm{.}12$

How many $$Example$$ output lines does this program print?

code$/$ecf$/$global$-$forkprob$4.$c

$1$ #include "csapp.h$"$

$2$

$3$ void try$()$

$4\{$

$5$ Fork$()$;

$6$ printf$("$Example

$")$;

$7$ Fork$()$;

$8$ return;

$9\}$

$10$

$11$ int main$()$

$12\{$

$13$ try$()$; Fork$()$;

$14$ printf$("$Example

$")$;

$15$ exit$(0)$;

$16\}$