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:
1185 - 6431 + 1326 - 2840 - 9276
answer:
18406


question:
86 - 2166 - 8519 - 7184 - 362 - 2203 + 1579 - 1133 + 3978
answer:
16096


question:
3975 + 2855 + 684 - 7544 - 8903 + 149
answer:

16734