{-# LANGUAGE BangPatterns #-} {-# LANGUAGE BinaryLiterals #-} {-# LANGUAGE MultiWayIf #-} {-# LANGUAGE NumDecimals #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE TupleSections #-} import Control.Applicative import Control.Arrow import Control.Monad import Control.Monad.ST import Data.Char import Data.List import Data.Maybe import qualified Data.ByteString.Char8 as B import Data.Array.ST.Safe import Data.STRef import Debug.Trace import Text.Printf readInt = readLn :: IO Int readInts = map ( fst . fromJust . B.readInt ) . B.words <$> B.getLine readNInts = readInt >>= flip replicateM readInt which a b f = if f then a else b mp [ a, b ] = ( a, b ) main = do [ n, px, py ] <- readInts fs <- replicateM n $ decode <$> readInts mapM_ ( uncurry $ printf "%d %d\n" ) $ map ( $ ( px, py ) ) $ scanr1 compose fs decode [ 1, dx ] = f1 dx decode [ 2, dy ] = f2 dy decode [ 3 ] = f3 f1 dx ( x, y ) = ( x + dx, y ) f2 dy ( x, y ) = ( x, y + dy ) f3 ( x, y ) = ( y, -x ) compose f1 f2 = f2 `seq` ( f1 >>> f2 )