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:
5709 + 8211 + 3945 + 1143 - 7258
answer:
-332


question:
2837 + 8737 + 9015 - 7647 - 1903 - 3427 - 2034 - 3680 - 8565
answer:
12341


question:
8744 - 3978 - 8946 + 8636 + 7966 - 7353 + 7448 - 4589 + 7749
answer:

1811