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:
2144 - 4158 + 4207
answer:
2095


question:
1163 - 3809 + 5176 - 2533 + 4885 - 8890 - 506 + 5874
answer:
966


question:
7298 + 7455 + 7874 + 2069 - 9385 - 1826 - 2671 + 9183 + 8979
answer:

-14380