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:
397 + 1596 + 6102 + 2852 + 1239 + 3524 - 8019
answer:
-6897


question:
7208 + 2074 + 2796 - 8783
answer:
11121


question:
5416 + 3376 + 2499 - 2586 - 7487 + 1117
answer:

8497