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


[Q]: 7775 # 9805 # 8727
[A]: -10757


[Q]: 9920 # 2797 @ 7991 # 8948 @ 9835 # 487 # 8541 # 4734
[A]:
2239