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:
4854 - 2012 + 5206 - 7285 - 579
answer:
9524


question:
344 - 7553 + 7224 + 1616 + 672 + 916
answer:
-2531


question:
7511 + 4653 + 1597 + 2568 - 9724 + 4152
answer:

4265