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.

[EX Q]: 4286 + 2085 - 8347
[EX A]: 10548

[EX Q]: 6570 + 2902 + 9219 - 6971 + 6886 + 765
[EX A]: -6231

[EX Q]: 8222 - 368 + 7512 + 3966 + 5652 - 8029 - 9852
[EX A]:
9341