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]: 9930 # 7864 @ 6797 # 6092 @ 1146 @ 1388 # 8545 # 9163
[A]: -12403


[Q]: 2724 @ 8119 @ 1049 @ 9004
[A]: 20896


[Q]: 2845 @ 5791 @ 4347 # 322 # 1132 @ 2814 # 3876 @ 807
[A]:
11274