diff --git a/input/.gitignore b/input/.gitignore
new file mode 100644
index 0000000..86d0cb2
--- /dev/null
+++ b/input/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
\ No newline at end of file
diff --git a/output/.gitignore b/output/.gitignore
new file mode 100644
index 0000000..86d0cb2
--- /dev/null
+++ b/output/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
\ No newline at end of file