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.

2219 - 6451 + 1224 + 2776 + 8750 - 8397 - 5833 - 9401 - 554
20105

6433 + 6891 + 2386 - 7923 - 2419 + 7641
-143

6733 - 361 + 8396 + 7920 + 7915 - 1370 + 5576 - 1321 + 343

-20365