Which expression for YYY outputs "Quarter century!" when the input is $25?$

int x;

x $=$ scnr$.$nextInt$()$;

if $($YYY$)\{$

System.out.println$("$Nothing special"$)$;

$\}$

else $\{$

System.out.println$("$Quarter century!"$)$;

$\}$

Select one:

a$.$ x $<>25$

b$.$ x $!=25$

c$.$ x $==!25$

d$.$ x $==25$