diff --git a/Koli_2017/.gitignore b/Koli_2017/.gitignore
new file mode 100644
index 0000000..985d688
--- /dev/null
+++ b/Koli_2017/.gitignore
@@ -0,0 +1,3 @@
+Koli_2017_Stanger.pdf
+acmart.pdf
+acmguide.pdf