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]: 2269 + 7840 - 467 - 5626
[EX A]: 522

[EX Q]: 1540 + 6977 + 9400 - 5524 - 1970 + 8397 - 6006 + 3183
[EX A]: -12917

[EX Q]: 7171 + 2006 - 7309 + 5719
[EX A]:
6755