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

[EX Q]: 8571 - 5985 + 8912
[EX A]: 5644

[EX Q]: 5753 - 4358 + 6312 + 2406 + 5334 - 4718 + 6262
[EX A]:
-5485