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:
2537 - 3199 + 5925 + 8172 + 3564 + 8810
answer:
-20735


question:
8053 - 8275 + 3672 - 7233 + 8748 - 1270 - 6997 - 7566 + 5689
answer:
21285


question:
4001 + 8519 + 1911 - 5112 - 2308 + 9004
answer:

-8013