diff --git a/12/c66926118cded6c1a7abd4cbeb9b3fbf31971e b/12/c66926118cded6c1a7abd4cbeb9b3fbf31971e
new file mode 100644
index 00000000000..4675c765421
--- /dev/null
+++ b/12/c66926118cded6c1a7abd4cbeb9b3fbf31971e
@@ -0,0 +1 @@
+Author: https://github.com/Hendiadyoin1