Detailed Instructions: 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: 4364 # 2781 # 7674 # 4801 @ 898 @ 7562 @ 5925 @ 648 @ 7768
A:
11909