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:
6178 - 1637 - 8197 - 6437 + 4591 - 6995 + 3562 + 9474
answer:
11817


question:
2432 + 588 - 6240 + 8670
answer:
-586


question:
1482 + 904 + 7474
answer:

-6896