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]: 6199 # 9863 # 8197 # 3975 @ 1000 @ 740 @ 3216 @ 2122 # 4226
[A]: -12984


[Q]: 4193 @ 3477 # 3125 @ 6912 @ 2615 @ 9846 @ 9806 # 4965
[A]: 28759


[Q]: 2510 # 1679 @ 9298 @ 5683 # 2876
[A]:
12936