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:
6020 + 1977 + 708 + 1899 + 3704
answer:
-2268


question:
4325 + 2332 + 1470 - 1881 + 9204 - 2529 - 5460 + 5554
answer:
-4365


question:
1878 + 9497 - 9782 - 2407 + 7375 - 6977 - 3692
answer:

7864