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:
7525 + 263 - 1634 + 3644 + 6905 - 167
answer:
-1486


question:
961 + 1754 - 8392 + 2659 - 495 + 358
answer:
5077


question:
6631 - 5557 + 849 - 3246
answer:

14585