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:
2144 - 4158 + 4207
answer:
2095


question:
9237 + 5388 - 46 + 2616 + 8227 - 3578 - 5065 + 1176
answer:
519


question:
3383 - 7247 - 7691 - 6471 + 7576 - 6978 - 6009 + 2845 - 3611
answer:

30969