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]: 8247 - 6987 - 8915 - 9962
[EX A]: 34111

[EX Q]: 826 - 6501 - 223 + 9761 - 8863
[EX A]: 6652

[EX Q]: 1350 + 3411 + 8584 - 7513
[EX A]:
-3132