What is y$\text{'}$s ending value?

int x;

int y $=0$;

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

if $($x $=20)\{$

y $=3$;

$\}$

Group of answer choices

Always $0$ no matter what the input

Always $20$ no matter what the input

$3$ when the input is $20,$ else $0$

Error: Compiler will not allow the expression x $=20$