diff --git a/12/a2f741a7c7a262cd9e65624620d74d77c9ed0c b/12/a2f741a7c7a262cd9e65624620d74d77c9ed0c
new file mode 100644
index 00000000000..b6a99566b22
--- /dev/null
+++ b/12/a2f741a7c7a262cd9e65624620d74d77c9ed0c
@@ -0,0 +1 @@
+Author: https://github.com/BertalanD