diff --git a/17.txt b/17.txt
new file mode 100644
index 0000000..98d9bcb
--- /dev/null
+++ b/17.txt
@@ -0,0 +1 @@
+17
diff --git a/develop.txt b/develop.txt
new file mode 100644
index 0000000..a1b1d2b
--- /dev/null
+++ b/develop.txt
@@ -0,0 +1 @@
+this is only for develop