Mine
public text v1 · immutable(define answer (lambda ()
(letrec
( (is_it_it (lambda (x y)
(if (> y x)
(newline)
(if (= 0 (remainder x y))
(begin
(display x)
(newline)
(display y)
)
(is_it_it x (+ 9 (* 10 y)))
)
)
)
)
(finder (lambda (x)
(begin
(is_it_it x 19)
(if (< x 3999999999999999999999999999999999999999999999)
(finder (+ 9 (* 10 x)))
)
)
)
)
)
(finder 399)
)
)
)
(answer)