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]: 2759 - 7972 - 7615 + 151
[EX A]: 18195

[EX Q]: 7308 + 5010 + 6882
[EX A]: -4584

[EX Q]: 6726 - 1567 + 8621 + 367 - 8782
[EX A]:
8087