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]: 1231 + 6657 - 8263
[A]: 2837


[Q]: 7298 + 5069 + 5167 + 9387 - 6886
[A]: -5439


[Q]: 4102 + 9827 + 9758 - 3993 + 7552 - 5312
[A]:
-13730