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:
8085 + 9109 - 9653
answer:
8629


question:
2178 - 6447 + 5843 + 9653 + 4633 - 5887 + 8815 - 6635 + 178
answer:
-7975


question:
1864 + 5416 + 9408 + 9513
answer:

-22473