instruction:
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.
question:
4291 + 2761 - 4339 + 8922
answer:
-3053


question:
3586 - 8301 + 9044 + 6100 - 8837 + 8230 + 7670 - 8406
answer:
-1914


question:
4576 - 8779 + 1845 + 4979 + 8600 + 4649
answer:

-6718