{-# LANGUAGE OverloadedStrings #-} module Main where import Data.Maybe import qualified Data.ByteString.Char8 as C import Control.Monad(forM_) import Data.Int import Data.List import Data.Array import Data.Word import Data.Bits import qualified Data.IntMap as IntMap import qualified Data.Map as Map import Data.Functor yes :: C.ByteString yes = "YES" no :: C.ByteString no = "NO" getInts :: IO [Int] getInts = do ss <- C.getLine return $ map (fst . fromJust . C.readInt) $ C.words ss getIntss :: Int -> IO [[Int]] getIntss 0 = return [] getIntss n = do xs <- getInts xss <- getIntss (n - 1) return $ xs : xss -- end standard template -- main :: IO () main = do [x,y] <- getInts let res = solve x y C.putStrLn res solve :: Int -> Int -> C.ByteString solve x y = if z then C.pack (show res) else no where z = mod y' x' == 0 x' = abs x y' = abs y res = div y x