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.

1783 + 1887 + 6517 - 3342 + 4406 + 8123 + 5394 - 5058 + 8527
-24671

5709 + 8211 + 3945 + 1143 - 7258
-332

629 + 3368 - 4697 - 4201 + 1438 - 3503 - 5970 - 7179

21373