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.

6639 - 5724 - 3521 - 6709 - 6185 + 6067 + 9560 - 9829 + 8371
14609

8379 + 6247 - 4435 + 207 - 3793 + 7248 + 1488
1417

8825 - 9833 + 7845 - 3483 - 4190 - 2950 + 747 + 2881

17808