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:
7591 + 2427 + 6553 + 4047 - 9300 + 2235 + 7278
answer:
-5649


question:
6245 + 6705 - 5181 + 7350 - 5051 - 8984 - 476 + 3773
answer:
8109


question:
5243 - 4974 + 8804 + 2872
answer:

-1459