instruction:
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.
question:
1510 + 8779 + 5742 - 9951 - 2155
answer:
-905


question:
5773 - 2989 + 8993 + 6702 + 2237 - 1402 - 4236 - 1857
answer:
-1675


question:
333 + 1379 - 9227 - 5458
answer:

13639