diff --git a/README.md b/README.md
index 757def8..ac78096 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1 @@
-# 14ac687eab7243d7800b380ed9156cf3
-
+# commonjs hello-world
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..1dd5215
--- /dev/null
+++ b/index.js
@@ -0,0 +1,31 @@
+const winston = require('winston');
+
+// Configure logging using winston
+const logger = winston.createLogger({
+  level: 'info',
+  format: winston.format.combine(
+    winston.format.timestamp(),
+    winston.format.printf(({ timestamp, level, message }) => `${timestamp} - ${level.toUpperCase()}: ${message}`)
+  ),
+  transports: [
+    new winston.transports.Console(),
+    new winston.transports.File({ filename: 'app.log' })
+  ]
+});
+
+// Main function to add two numbers and log the result
+function addNumbers(a, b) {
+  logger.info(`Function called with inputs: a=${a}, b=${b}`);
+
+  const result = a + b;
+
+  logger.info(`The result of adding ${a} and ${b} is: ${result}`);
+  return result;
+}
+
+// Example usage
+const num1 = 5;
+const num2 = 8;
+const sum = addNumbers(num1, num2);
+
+console.log(`Sum: ${sum}`);
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