diff --git a/12/6fa7df14e865ef00f5beb9aeac8c7d0dc5b20d b/12/6fa7df14e865ef00f5beb9aeac8c7d0dc5b20d
new file mode 100644
index 00000000000..f1cae688681
--- /dev/null
+++ b/12/6fa7df14e865ef00f5beb9aeac8c7d0dc5b20d
@@ -0,0 +1 @@
+Author: https://github.com/kalenikaliaksandr