-import Control.Monad.State.Strict
-import Control.Monad.Reader
-import Control.Monad.Writer
-import Control.Monad.RWS.Strict
+import Control.Monad.State.Strict hiding (state)
+-- import Control.Monad.Reader
+-- import Control.Monad.Writer
+-- import Control.Monad.RWS.Strict hiding (state)