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.
--------
Question: 5634 - 7997 + 8248 + 1465 - 3986

Answer: 7904


Question: 9864 - 5325 - 3230 - 5129 + 7733 + 3498 - 9250

Answer: 21567


Question: 1372 + 7429 - 6684 + 5158 - 1175

Answer:
-3356