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]: 4899 # 3034 @ 3351 @ 7952 @ 4527 # 2700 # 3143 @ 3642 # 2445
[A]: 13049


[Q]: 8196 @ 7820 # 8484 # 7462 @ 8007 # 414
[A]: 7663


[Q]: 2062 @ 6941 # 3242 # 4266 # 307 @ 876 # 980 @ 5332 # 6867
[A]:
-451