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:
573 - 2172 + 3067 + 6526 - 4690
answer:
-2158


question:
7457 - 9732 + 1691 + 2450 + 16 + 1610 + 1729
answer:
9693


question:
9784 + 5895 - 477 + 5000 - 7524 + 9831 + 4604 - 2634
answer:

-4911