diff --git a/ecma/function-sum/jean.carlos/function-sum.js b/ecma/function-sum/jean.carlos/function-sum.js
index 2e6e579..b65353b 100644
--- a/ecma/function-sum/jean.carlos/function-sum.js
+++ b/ecma/function-sum/jean.carlos/function-sum.js
@@ -1,8 +1,10 @@
 const n1 = 1;
 const n2 = 2;
+let soma = require("./sum")
 
 function soma(m1, m2){
     return m1+m2
 }
 
+
 console.log(soma(n1, n2))
\ No newline at end of file
diff --git a/ecma/function-sum/jean.carlos/sum.js b/ecma/function-sum/jean.carlos/sum.js
new file mode 100644
index 0000000..a233cac
--- /dev/null
+++ b/ecma/function-sum/jean.carlos/sum.js
@@ -0,0 +1,5 @@
+function soma(m1, m2){
+    return m1+m2
+}
+
+module.exports = soma
\ No newline at end of file
diff --git a/web/node-hello-simple/jean.carlos/app.js b/web/node-hello-simple/jean.carlos/app.js
new file mode 100644
index 0000000..0e7c959
--- /dev/null
+++ b/web/node-hello-simple/jean.carlos/app.js
@@ -0,0 +1,13 @@
+const http = require ("http");
+
+const hostname = "127.0.0.1";
+const port = 3000;
+
+const server = http.createServer((req, res) => {
+    res.statusCode = 200;
+    res.setHeader("Content-Type", "tex/plain");
+    res.end("Hello World");
+});
+server.listen(port, hostname, () => {
+    console.log(`Server running at http://${hostname}:${port}/`);
+  });
\ No newline at end of file