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:
8967 + 529 - 1163 - 2651 + 7174 - 2929
answer:
8007


question:
7298 + 5069 + 5167 + 9387 - 6886
answer:
-5439


question:
4180 + 2877 + 8763 - 7274 - 9260 - 8752 - 924
answer:

18750