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]: 2875 - 138 + 917 + 4037 - 6642
[A]: 4701


[Q]: 4148 + 9216 - 5756 - 5558 + 2801 - 7501 + 1939 + 3102 + 6894
[A]: -989


[Q]: 6710 - 8397 - 2887 - 3250
[A]:
21244