Trace and evaluate assignment sequences

What will be the output of this code?

int $x=2$

int $y=10$

$x=y+1$

$y=x-1$

$x=x+1$

$y=y-1$

$x=x-y$

System.out.print $($x$)$;

What will be the output of this code?

int $x=13$

int $y=3$

int $a=y$

$y=x$

$x=a$

System.out.print$($x$)$;