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:
875 + 1299 - 1721 - 4432 - 7136 - 2468
answer:
15333


question:
1471 + 6113 + 3177 - 2507 - 2358 + 6654
answer:
-9608


question:
9681 + 4002 - 7744
answer:

13423