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: 6639 - 5724 - 3521 - 6709 - 6185 + 6067 + 9560 - 9829 + 8371

A: 14609
****
Q: 4264 - 4438 + 3871 + 7585 - 540 - 3455 - 6016

A: 7257
****
Q: 285 - 957 + 8270 - 141 - 416 - 3523 + 8689 - 1713

A:
-9924
****