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:
8135 - 2883 + 7793 - 4176
answer:
7401


question:
5342 - 6456 - 9929 + 3119 - 1242 + 314
answer:
19536


question:
5220 + 5996 + 4062
answer:

-4838