In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer
--------
Question: 9720 @ 6485 @ 1745 @ 728

Answer: 18678


Question: 1569 @ 5170 @ 566 # 6012 @ 5001

Answer: 6294


Question: 4785 @ 7854 @ 8835 @ 9387 # 5988

Answer:
24873