diff --git a/hw3/.gitignore b/hw3/.gitignore
new file mode 100644
index 0000000..65c6848
--- /dev/null
+++ b/hw3/.gitignore
@@ -0,0 +1,6 @@
+.vscode
+_build
+bin/main.exe
+oatc
+ocamlbin
+*~
\ No newline at end of file