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:
1470 + 1395 + 3788 + 7517 + 2388 - 431 - 2393 + 4241 - 560
answer:
-14475


question:
2757 - 9391 - 1996 - 3110 - 4454
answer:

21708