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:
2591 - 5867 - 9565
answer:
18023


question:
5444 + 2542 - 6861 + 2740 - 4508 + 478 - 1138 + 7229
answer:
4962


question:
2709 - 8741 + 9559 - 2449 - 6907 - 2090
answer:

13337