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]: 509 + 4840 + 5618 + 9163 + 802
[EX A]: -19914

[EX Q]: 6817 + 2415 - 9368 - 2334
[EX A]: 16104

[EX Q]: 5056 + 2538 + 3179 - 6234 + 2000
[EX A]:
3573