diff --git a/app/zadanieDnia1.js b/app/zadanieDnia1.js
index 8c20173..6e0087c 100644
--- a/app/zadanieDnia1.js
+++ b/app/zadanieDnia1.js
@@ -1 +1,9 @@
-//Twój kod
\ No newline at end of file
+//Twój kod
+const http = require('http');
+
+const server = http.createServer((req, res) => {
+  res.setHeader('Content-type', 'text/html; charset=utf8');
+  res.end('Hello, World from back-end!');
+});
+
+server.listen(3000);
\ No newline at end of file
diff --git a/app/zadanieDnia2.js b/app/zadanieDnia2.js
index 8c20173..cc289a4 100644
--- a/app/zadanieDnia2.js
+++ b/app/zadanieDnia2.js
@@ -1 +1,21 @@
-//Twój kod
\ No newline at end of file
+//Twój kod
+const http = require('http');
+
+const server = http.createServer((req, res) => {
+  console.log('request');
+  const userAgent = req.headers['user-agent'];
+  const accept = req.headers['accept'];
+
+  res.setHeader('Content-type', 'text/html; charset=utf8');
+  res.end(
+    `<h1>Hi!</h1>
+    <h1 style='text-decoration: underline'>Your user-agent is:</h1><h2>${userAgent}</h2>
+    <h1 style='text-decoration: underline'>You accept:</h1><h2>${accept}</h2>
+    <h1 style='text-decoration: underline'>You used a method:</h1><h2>${req.method}</h2>
+    <h1 style='text-decoration: underline'>All there is:</h1><p>${JSON.stringify(req.headers)}</p>`
+  );
+});
+
+server.listen(3000, () => {
+  console.log('server on port 3000');
+});
\ No newline at end of file