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:
1078 + 2128 + 513 + 5898 - 8020
answer:
559


question:
4101 + 2536 - 502
answer:
2067


question:
3839 - 3515 + 8284 - 3829 + 4814 - 7434 + 5799 + 8438 + 6223
answer:

-14941