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:
8294 + 6661 + 4555 + 6171
answer:
-9093


question:
6368 + 9565 - 7042 - 1940 - 9960
answer:
15745


question:
2611 - 5387 + 8401 + 8741 + 5458 - 6304 + 974 + 4975
answer:

-14247