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.

8901 - 4785 + 1969 + 5985 + 517 + 5651 + 170
-606

397 + 1596 + 6102 + 2852 + 1239 + 3524 - 8019
-6897

4348 - 4282 - 5224 + 4811 - 7961 + 2562 - 7988 + 4398 - 1282

19314