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:
2181 + 397 + 8824 - 2945 + 612 + 9971 + 1036 - 7693
answer:
-8021


question:
5409 - 5550 + 3864 - 5911 + 5222
answer:
7784


question:
6160 - 7399 + 8276 + 6666 + 1744 + 4009 - 5723 + 6126 - 4414
answer:

-3125