diff --git a/15/f69ffbba212bfdc4cc6bd54301a1e3fe426b02 b/15/f69ffbba212bfdc4cc6bd54301a1e3fe426b02
new file mode 100644
index 00000000000..f1cae688681
--- /dev/null
+++ b/15/f69ffbba212bfdc4cc6bd54301a1e3fe426b02
@@ -0,0 +1 @@
+Author: https://github.com/kalenikaliaksandr