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:
7409 + 7579 + 4759 + 5088
answer:
-10017


question:
2349 - 9730 - 8231 + 6983 + 9097 + 6965 - 2760
answer:
25


question:
344 - 7553 + 7224 + 1616 + 672 + 916
answer:

-2531