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:
1922 - 413 - 5668
answer:
8003


question:
595 - 7083 - 6007 - 3187
answer:

16872