code: output of the difference

main.cpp

@@ -7,7 +7,8 @@ int main()
     cout << "Enter A and B: ";
     int a, b;
     cin >> a >> b;
-    cout<< "A + B = " << a + b << "\n";
+    cout<< "A + B = " << a + b << "\n"
+        << "A - B = " << a - b << "\n";
 
     return 0;
 }