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]: 4331 - 362 - 8646 - 8722 + 6424 + 4083 - 579 + 4561
[EX A]: 7572

[EX Q]: 8997 + 8611 - 604 + 1810 - 1906 + 5956
[EX A]:
-4870