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:
3844 - 5783 + 7487
answer:
2140


question:
2862 - 964 + 1644
answer:
2182


question:
7030 - 6349 + 398 + 1331 + 4009 - 4312 + 3366 - 1558 + 7508
answer:

2637