Please I don't find tha some errors please solve my problem 🤔🤔

Question

https://code.sololearn.com/cSjaeisB9OZW/?ref=app

Answer 1

1/ Your using directive is having an uppercase U. Switch it back to lowercase.

2/ There should be no space following operator (i.e operator+)

Answer 2

You may should add
using namespace std;
to the program after #include <iostream>