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]: 4287 + 3355 + 4251 + 7433 + 7069
[A]: -17821


[Q]: 2862 - 964 + 1644
[A]: 2182


[Q]: 3517 + 3137 + 8468 - 6738 + 1578
[A]:
-2928