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:
321 - 4450 - 5504 - 9901 - 295 - 7018 - 1113 - 5299 - 2387
answer:
36288


question:
3709 + 206 - 4363 + 3129 + 2506
answer:
2231


question:
1618 - 8347 - 4787 + 7188 + 5464
answer:

2100