In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.

5474 + 1234 - 4461 - 3865 + 7635 + 830 + 5965 - 7856 + 523
5469

6817 + 2415 - 9368 - 2334
16104

9407 + 8480 - 8062

8989