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:
3071 - 5299 + 206 + 3214 + 6040 + 5785 - 6760 - 8070
answer:
7955


question:
7787 + 3092 - 3153 - 9152 + 2142 - 1655
answer:

16513