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.

8571 - 5985 + 8912
5644

4224 + 9155 + 116 - 5148 - 7166 - 7397 - 3883 - 2139
20686

7462 + 8211 - 8870 + 7664 - 1458 + 5790 + 1389

-5264