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

8771 @ 2575 # 7914 # 3691
-259

9645 @ 911 @ 6748 # 3005 # 3625 # 87 @ 3003 # 5587 # 1382
6621

3184 # 9584 @ 1477 @ 6422 # 3669 # 9059 # 7288 @ 4707 @ 4584

-9226