diff --git a/cs.txt b/cs.txt
deleted file mode 100644
index 58c9bdf..0000000
--- a/cs.txt
+++ /dev/null
@@ -1 +0,0 @@
-111
diff --git a/doc b/doc
deleted file mode 100644
index 66dc905..0000000
--- a/doc
+++ /dev/null
@@ -1 +0,0 @@
-undefined
\ No newline at end of file