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.

7320 + 9337 - 31 + 8850 + 4804 + 230 - 9287 - 4572
-2011

5360 + 7507 - 3329 + 6345 - 9328 + 3114
1051

9965 - 1220 + 2931 + 8586

-332