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


question:
2306 - 650 - 3209
answer:
6165


question:
4170 - 1679 - 3547
answer:

9396