1 files changed, 10 insertions, 2 deletions
diff --git a/hello.cpp b/hello.cpp
index 0dde4c9..fad8a40 100644
--- a/hello.cpp
+++ b/hello.cpp
@@ -1,6 +1,14 @@
 #include <iostream>
 
-int main ()
+using namespace std;
+
+int main (int argc, char* argv[])
 {
-  std::cout << "Hello, World!" << std::endl;
+  if (argc != 2)
+  {
+    cerr << "usage: " << argv[0] << " <name>" << endl;
+    return 1;
+  }
+  
+  cout << "Hello, " << argv[1] << "!" << endl;
 }