public void mystery$($int x$,$ int y$)\{$

if $(($x $>0)$ && $($y $>0))\{$

if $($x $>$ y$)\{$

System.out.println$("$C$")$;

$\}$

else $\{$

System.out.println$("$O$")$;

$\}$

$\}$

else if $(($x $<0)||($y $<0))\{$

System.out.println$("$D$")$;

$\}$

else $\{$

System.out.println$("$E$")$;

$\}$

$\}$

What is printed as a result of the call mystery$(3,4)?$

A$.$ C

B$.$ O

C$.$ D

D$.$ E

E$.$ Nothing is printed.