diff --git a/JackyGuan.md b/JackyGuan.md
new file mode 100644
index 0000000..ed85997
--- /dev/null
+++ b/JackyGuan.md
@@ -0,0 +1 @@
+10/3/2025
diff --git a/first.py b/first.py
index ad35e5a..7556877 100644
--- a/first.py
+++ b/first.py
@@ -1 +1 @@
-print("Hello World")
+print("Hello Jupiter")