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.

9051 - 8971 + 6555 - 1135 - 4091 + 9374 + 9487 + 1868
-4036

4647 - 2106 + 6760 + 3296 - 9772
6469

9060 + 4301 - 5096 + 1247 + 4955 + 967

2686