diff --git a/express/lib/random_number.js b/express/lib/random_number.js
index d8eaaba..58ce990 100644
--- a/express/lib/random_number.js
+++ b/express/lib/random_number.js
@@ -1 +1,5 @@
-// Code goes here
+//code goes here
+
+function myfunction(a,b) {
+	return a * b;	// Function retunr the product of a and b
+}