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:
9990 - 8613 - 152 + 4529
answer:
14226


question:
5634 - 7997 + 8248 + 1465 - 3986
answer:
7904


question:
6612 + 8945 + 6777 - 2133 - 2967 - 5241 + 3253 + 7421 + 1548
answer:

-10991