get "libhdr"
let start() be
$( let a = ? and b = ?
writes("A? ") ; a := readn()
writes("B? ") ; b := readn()
writes(
a < b -> "A is less than B*N",
a = b -> "A is equal to B*N",
a > b -> "A is greater than B*N",
"Huh?!"
)
$)