diff --git a/hello_world.cpp b/hello_world.cpp
index 59b16e6..5c11090 100644
--- a/hello_world.cpp
+++ b/hello_world.cpp
@@ -5,9 +5,9 @@ int main() {
 //   int x;
 //   cout << x << endl;
 
-//   int *p = nullptr;
+   int *p = nullptr;
 
-//   cout << *p <<  endl;
+   cout << *p <<  endl;
 
   cout << "Hello World" << endl;