code: addition

main.cpp

@@ -4,6 +4,9 @@ using namespace std;
 
 int main()
 {
-    cout << "Hello world!" << endl;
+    cout << "Enter A and B: ";
+    int a, b;
+    cin >> a >> b;
+    cout << "a + b = " << a + b << "\n";
     return 0;
 }