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]: 9842 + 5573 - 5322 - 4612 + 489 - 1030 + 6611 + 2045 + 9627
[A]: -3539


[Q]: 2186 - 2436 - 4269 - 2175 + 4101 - 2723 + 6192 - 7530
[A]:
11026