import System.IO

main = main' (0,0)
 where
  main' (x,y) = do
   putStrLn (unwords (map show [x,y]))
   hFlush stdout
   m <- readLn
   putStrLn (unwords (map show [m,0]))
   hFlush stdout
   mx <- readLn
   putStrLn (unwords (map show [m - div (mx-1) 2, div (mx-1) 2]))
   hFlush stdout