diff --git a/a_data_002/kijn.js b/a_data_002/kijn.js
new file mode 100644
index 0000000..3b2575a
--- /dev/null
+++ b/a_data_002/kijn.js
@@ -0,0 +1,14 @@
+
+<script src="https://www.gstatic.com/firebasejs/4.1.2/firebase.js"></script>
+<script>
+  // Initialize Firebase
+  var config = {
+    apiKey: "AIzaSyC4pN09BUPdxVmdPYikZG-FsgpRrDhv82w",
+    authDomain: "kijn-21ec8.firebaseapp.com",
+    databaseURL: "https://kijn-21ec8.firebaseio.com",
+    projectId: "kijn-21ec8",
+    storageBucket: "kijn-21ec8.appspot.com",
+    messagingSenderId: "1034663543322"
+  };
+  firebase.initializeApp(config);
+</script>