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: 4226 - 3951 + 2613

Answer: 5564


Question: 4303 + 4581 + 3027 - 9269 + 3325

Answer: 2639


Question: 8664 + 3349 - 5328

Answer:
10643