import Control.Applicative ((<$>))

main :: IO ()
main = solve <$> map read <$> words <$> getLine >>= print

solve :: [Int] -> Int
solve [n, k] = length . filter (f k 0 2) $ [2..n]
  where f k c d x | x == 1 = c >= k
                  | x `mod` d == 0 = f k (c+1) (d+1) (g d x)
                  | d ^ 2 > x = c + 1 >= k
                  | otherwise = f k c (d+1) x
        g d x | x `mod` d == 0 = g d (x `div` d)
              | otherwise = x