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.

875 + 1299 - 1721 - 4432 - 7136 - 2468
15333

333 - 4061 - 2641 + 9107 - 876 + 913 - 2286 - 7626
7803

510 + 7311 - 7507 - 58 - 5851 - 6561 - 7391 - 3813

24380