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]: 2144 - 4158 + 4207
[EX A]: 2095

[EX Q]: 6355 - 3589 + 7310 - 5161 + 9803
[EX A]: -2008

[EX Q]: 4291 - 3466 - 8426 - 519 + 9740 - 80
[EX A]:
7042