...

main.cpp

@@ -6,6 +6,6 @@ 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;
 }