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: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948

Answer: 30305


Question: 473 # 2568 @ 9771 # 2525 @ 3277 @ 261 # 8230 @ 6021

Answer: 6480


Question: 4669 # 3716 # 6612 # 7115 @ 7771 # 2648

Answer:
-7651