$2$ a$)$ Find output when input values of b are $4,5,10$ and $12,$ respectively scanf$(\%$d$,$ &b$)$; printf$($Start

$)$; if $($b$<=5)$ printf$($Hello

$)$; else if$($b$>5)$ printf$($World

$)$; else if $(($b$>=2)$&&$($b$<10))$ printf$($UIU

$)$; else if $(($b$>2)||($b$<=10))$ printf$($CSE

$)$; else printf$($Error

$)$; printf$($Stop$)$;