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:
8967 + 529 - 1163 - 2651 + 7174 - 2929
answer:
8007


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


question:
2804 + 3984 + 3279 + 553 - 863 - 6288 - 1686 - 263
answer:

4088