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.

[Q]: 6433 + 6891 + 2386 - 7923 - 2419 + 7641
[A]: -143


[Q]: 4139 - 6541 - 2616 + 299 - 700 - 6684
[A]: 20381


[Q]: 3140 - 7915 + 2559 - 9684 + 4182 - 683 + 7754 + 763 + 4851
[A]:
1313