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:
5634 - 7997 + 8248 + 1465 - 3986
answer:
7904


question:
981 + 3338 + 96 + 3479 + 574 + 2567 + 3009 + 2356 - 4663
answer:
-9775


question:
1904 + 2293 - 697 + 5510 - 1879
answer:

-3323