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.

298 + 1699 + 1367 + 5001
-7769

3055 - 3062 - 5311
11428

6805 - 5426 + 5529 - 6988 + 9562

4128