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]: 2603 + 1868 - 4242
[EX A]: 4977

[EX Q]: 8171 + 8357 + 171 - 3129 - 6929
[EX A]: 9701

[EX Q]: 9345 + 7190 + 8280 - 2426 - 6746 - 9326 + 7294 + 1332 + 5825
[EX A]:
-2078