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:
2500 + 3268 - 574 + 5695 - 2143 + 404 - 196
answer:
-3954


question:
4095 - 9640 - 5113 - 9355
answer:
28203


question:
5951 - 8008 - 1856 + 7093 - 6192 + 3905 - 1879
answer:

12888