diff --git a/11/input b/11/input
new file mode 100644
index 0000000..c671d4a
--- /dev/null
+++ b/11/input
@@ -0,0 +1,10 @@
+6617113584
+6544218638
+5457331488
+1135675587
+1221353216
+1811124378
+1387864368
+4427637262
+6778645486
+3682146745
diff --git a/README.md b/README.md
index cbecd4b..93cfb09 100644
--- a/README.md
+++ b/README.md
@@ -48,4 +48,9 @@
 ### DAY 10 - Brackets matching
 
 - [part1](10/part1.php)
-- [part2](10/part2.php)
\ No newline at end of file
+- [part2](10/part2.php)
+
+### DAY 11 - Dumbo octopus
+
+- [part1](11/part1.php)
+- [part2](11/part2.php)
\ No newline at end of file