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:
1673 - 3914 + 8016 + 5937 - 8915 + 4818
answer:
-4269


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


question:
1616 - 440 + 11
answer:

2045