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:
8455 + 5516 - 2131 + 6151 + 6314 + 9308 + 5493
answer:
-22196


question:
6120 - 9271 - 7167 + 6916 - 2510 + 7854 - 7909 - 1960 - 3775
answer:
23942


question:
6684 - 9333 - 1368 - 4175 + 971
answer:

20589