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.

5527 - 35 - 9988 + 7417 - 5498
13631

8849 + 869 + 880 + 8843 + 8122
-9865

6549 - 5879 - 885 + 7399 - 7136

13050