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]: 9467 + 7102 - 1964
[EX A]: 4329

[EX Q]: 9493 + 2402 - 721 + 5448 + 2919
[EX A]: -555

[EX Q]: 4051 - 3873 + 1125 + 9341 - 8321
[EX A]:
5779