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]: 2671 + 3943 - 5777 + 7680
[A]: -3175


[Q]: 1971 - 5591 + 4038 + 5571
[A]: -2047


[Q]: 6942 + 1857 + 1508 + 3059 - 6727
[A]:
7245