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]: 6738 - 471 + 8724
[A]: -1515


[Q]: 8213 + 7145 + 5203 - 2621 + 1654 - 1844
[A]: -1324


[Q]: 5973 + 5612 - 6330
[A]:
6691