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:
3915 + 4904 + 4887 + 7162 - 3798 + 233 + 1101 - 7758 - 4627
answer:
1811


question:
6818 - 9528 + 3365 - 496 + 1035 - 9444 + 2617 - 5541 - 2219
answer:
27029


question:
8646 + 2187 - 2120 - 153 - 4911 + 182 + 2324 + 7712 - 4790
answer:

8215