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]: 4397 - 3478 - 9837 - 7164 + 7972 + 3676
[A]: 13228


[Q]: 5075 + 9515 - 1396 - 834 - 8033 - 6616 + 3242
[A]:
9197