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]: 8157 - 2717 - 1214 + 8558 + 7391 - 7163 + 6203 - 6912
[A]: 4011


[Q]: 3909 - 4736 + 2593 + 3592
[A]: 2460


[Q]: 9806 + 7051 + 6703 + 4233 - 276
[A]:
-7905