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:
1737 + 1422 + 9162 - 7244 + 6133
answer:
-7736


question:
3681 + 1303 + 5556 + 9895 - 5012 - 6662
answer:
-1399


question:
646 + 4822 - 1937 - 1411 + 3435 + 869 + 7687 - 2584
answer:

-10235