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.

[Q]: 3997 - 5279 - 8866 - 8214 - 3538 + 6690 - 4565 + 30
[A]: 27739


[Q]: 2178 - 6447 + 5843 + 9653 + 4633 - 5887 + 8815 - 6635 + 178
[A]: -7975


[Q]: 942 - 762 - 8796
[A]:
10500