int $x=5$;

int $a=x-1**2+\frac{2}{2}**2+20,$

$b=x+1**\frac{4}{2}**(2-1)+3+\frac{4}{2}**10$;

cout $a=b+++a++b=++b+++$a endl; endl;

$a=b+++a++$;

$b=++b+++a$;

cout endl;

What's the output?