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]: 7240 - 3294 - 2859 + 1798 + 9958 - 6797
[A]: 8434


[Q]: 8503 - 4492 + 205 + 2768 - 7803
[A]:
17825