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:
2909 + 1799 - 984 + 4910 + 3253 - 6846 - 8324 - 9048
answer:
18149


question:
5945 + 1046 + 9187 + 929
answer:
-5217


question:
1664 - 2003 - 3533
answer:

7200