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.

4899 + 5775 - 8386 + 4273
3237

9403 + 6381 - 6599 - 2097 - 3046
14764

2458 + 7716 + 9068 - 4985 + 3986

-13327