main:: IO ()
main = do
    [a,b,c] <- (map read . words) <$> getLine
    putStrLn $ if solve (a,b,c) then "Yes" else "No"

-- |
--
-- >>> solve (1,3,2)
-- True
--
-- >>> solve (6,5,4)
-- False
solve :: (Int,Int,Int) -> Bool
solve (a,b,c) = a <= c && c <= b
