diff --git a/02/a2/018ec4a60c1002988cb7521f963fcd498ed5 b/02/a2/018ec4a60c1002988cb7521f963fcd498ed5
new file mode 100644
index 00000000000..b83ce0c2d87
--- /dev/null
+++ b/02/a2/018ec4a60c1002988cb7521f963fcd498ed5
@@ -0,0 +1 @@
+Author: https://github.com/Baitinq