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:
5989 - 6394 + 3845 + 1679 - 5682 + 8226 - 674 - 1284
answer:
6273


question:
9966 + 7947 - 7722 - 7525 + 2044 + 1875 - 8641 - 4734 + 7741
answer:

18981