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:
2078 + 3891 + 2060
answer:
-3873


question:
4054 + 5873 - 3926 - 2524 + 5551 - 1721
answer:
801


question:
9378 + 6980 + 4135 + 1667 - 1555 - 1328 + 9963 - 1818 - 2424
answer:

-6242