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]: 1078 + 2128 + 513 + 5898 - 8020
[A]: 559


[Q]: 2514 - 3539 - 8491 + 7351 - 1448
[A]: 8641


[Q]: 4292 - 7663 + 6931 + 1332 + 5698 + 4887 - 9479 - 1571 - 6095
[A]:
10252