diff --git a/b6/a4/c450d174f2c326f489cedc521c030bda88c1 b/b6/a4/c450d174f2c326f489cedc521c030bda88c1
new file mode 100644
index 00000000000..fcaac622975
--- /dev/null
+++ b/b6/a4/c450d174f2c326f489cedc521c030bda88c1
@@ -0,0 +1 @@
+Author: https://github.com/bugaevc