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

1221 @ 4619 # 3319 @ 2958
5479

8625 @ 3267 # 2323 # 3569
6000

2920 # 2582 @ 2018 # 5202 @ 3726 # 2417

-1537