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.

Q: 8354 + 2602 + 1315

A: 4437
****
Q: 6567 + 2835 + 6725

A: -2993
****
Q: 4591 - 403 + 452 + 2317 - 8674 - 295 + 9678 + 8538

A:
-7022
****