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]: 42 + 6517 - 146 + 304 - 4759 + 148 - 3822
[A]: 1800


[Q]: 4054 + 5873 - 3926 - 2524 + 5551 - 1721
[A]: 801


[Q]: 2974 - 487 + 6551 + 9737 - 4657 - 4467
[A]:
-3703