diff --git a/util.js b/util.js
new file mode 100644
index 0000000000000000000000000000000000000000..438611a6c412b57e53d9a9da9ec94182390e40fe
--- /dev/null
+++ b/util.js
@@ -0,0 +1,3 @@
+export function sum(n1, n2) {
+    return n1 + n2;
+}
\ No newline at end of file