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:
2348 - 6075 + 2149 - 1926 - 9532 - 9774 + 2760 - 6500 + 8335
answer:
22911


question:
7937 - 2534 - 132 + 8203 + 9263 + 8446 + 1405 + 2278
answer:

-18992