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

[EX Q]: 2611 @ 6783 @ 8407 # 5813 @ 4138
[EX A]: 16126

[EX Q]: 9049 # 6438 @ 8686 # 910 # 3586
[EX A]: 6801

[EX Q]: 143 @ 5845 # 2051 # 2594 # 4041 # 1896
[EX A]:
-4594