diff --git a/README.md b/README.md
index dc7115b..22621e3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1 @@
 # Calculator
-
diff --git a/z.java b/z.java
new file mode 100644
index 0000000..82edcd7
--- /dev/null
+++ b/z.java
@@ -0,0 +1,5 @@
+public class z {
+    public static void main(String[] args) {
+        System.out.println("Hello World!");
+    }
+}