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:
4839 - 962 + 7552
answer:
-1751


question:
3238 + 2914 + 4122
answer:
-3798


question:
5120 - 3275 - 479
answer:

8874