diff --git a/Hello.g4 b/Hello.g4
index a4040aa..b241f24 100644
--- a/Hello.g4
+++ b/Hello.g4
@@ -1 +1,6 @@
 grammar Hello;
+
+start : 'Hello' ID ;
+
+ID : [a-zA-Z]+ ;
+WS : [ \t\r\n]+ -> skip ;
diff --git a/hi.py b/hi.py
deleted file mode 100644
index e69de29..0000000