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:
569 + 2078 + 2757 - 9211
answer:
4945


question:
5299 - 8791 + 6861
answer:
7229


question:
6588 - 1389 - 2750 - 3084 - 7779 + 4552 + 6094 + 3960 + 7828
answer:

-844