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:
1884 + 3670 - 3893 + 782 + 3288 - 7463 + 3214
answer:
2286


question:
146 - 5209 + 892
answer:
4463


question:
6519 + 3975 - 1429 - 3453 + 3955 - 9240
answer:

12711