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.

8171 + 8357 + 171 - 3129 - 6929
9701

4993 - 9334 - 5415 + 8531 - 5640 + 896 + 3114 - 1984
14825

6390 + 4138 + 2478 - 2353 - 4642 - 2361 + 814 - 4203 + 3590

8929