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]: 2787 @ 3800 # 142 # 7750 # 8581 @ 5447 @ 1512 @ 6550
[A]: 3623


[Q]: 7217 @ 2604 @ 9974 @ 8133 @ 8987 # 6381 # 7662
[A]: 22872


[Q]: 2095 # 5428 @ 3055 @ 1752 @ 2919 # 3592 # 7407
[A]:
-6606