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:
171 - 966 + 1234 - 1722 - 4406 + 9773 - 1161
answer:
-2581


question:
1471 - 7798 + 6514 + 8053 + 9926
answer:
-15224


question:
2542 - 898 - 7500 - 5911 + 2875 + 8830 - 5505 + 3349 - 2786
answer:

10088