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:
146 - 5209 + 892
answer:
4463


question:
9240 - 5321 + 7584 - 9605 + 9674 - 5556 + 6400
answer:
6064


question:
4609 + 3044 - 3763 + 8232
answer:

-2904