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.

242 - 3824 + 6718 - 4276 + 8975
-7351

4264 - 4438 + 3871 + 7585 - 540 - 3455 - 6016
7257

6163 + 5787 - 2760 - 3461 + 4071

2526