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.

5000 + 8474 - 7071 - 6976 + 6373 - 466
4666

3171 - 3678 - 3096 - 5842 - 3188
18975

8002 + 7830 + 1144 + 3426 + 9697

-14095