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]: 2996 @ 6178 @ 7214 # 172 # 3711
[A]: 12505


[Q]: 9781 # 2797 # 2134
[A]: 4850


[Q]: 1422 # 3917 # 8051 @ 5943 # 1047 # 7208 @ 6789
[A]:
-6069