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

Q: 497 # 7667 # 405 # 5403 @ 8444 @ 5031 # 1411 # 2392

A: -3306
****
Q: 7579 @ 2801 # 7154 @ 4185 # 825 @ 4256 @ 9614

A: 20456
****
Q: 4929 # 4231 @ 8489 # 8776 # 5325 @ 1814

A:
-3100
****