1 files changed, 1 insertions, 0 deletions

diff --git a/Main.hs b/Main.hs
index 3974467..4ba7668 100644
--- a/Main.hs
+++ b/Main.hs
@@ -14,6 +14,7 @@
 --
 
 import Data.Bits hiding (rotate)
+import Data.List
 
 import System.IO
 import System.Process (runCommand)