(use scheme.bitwise)

(define yuki812
  (let* ((n (read)) (k (read)))
    (if (> k n)
      (display "INF\n")
      (let loop-x ((x n) (res 0))
        (if (> x (* 2 n))
          (print res)
          (if (= (bitwise-and n x) n)
            (let loop-y ((y x) (res res))
              (if (> y (+ x k))
                (loop-x (+ x 1) res)
                (if (= (bitwise-and x y) n)
                  (loop-y (+ y 1) (+ res 1))
                  (loop-y (+ y 1) res))))
            (loop-x (+ x 1) res)))))))