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]: 23 - 7991 - 1064 + 8364
[EX A]: 714

[EX Q]: 2977 - 4470 - 76 + 164 + 8433 - 2054 - 4953
[EX A]: 5933

[EX Q]: 1559 + 760 - 5027 - 8544 + 4623 - 9238
[EX A]:
18985