diff --git a/unit04_public_key/src/a_03.py b/unit04_public_key/src/a_03.py
index 06e4eab..b8fef52 100644
--- a/unit04_public_key/src/a_03.py
+++ b/unit04_public_key/src/a_03.py
@@ -9,4 +9,5 @@ keyDER = b64decode(privatekey)
 keys = RSA.importKey(keyDER)
 
 dmsg = keys.decrypt(b64decode(msg))
-print dmsg
+print (dmsg)
+