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]: 331 # 9967 @ 21 @ 480 # 3926 @ 8770 @ 5909 @ 6288 # 1226
[A]: 6680


[Q]: 8698 # 7378 # 9188 @ 5767 # 2935 # 2532 @ 7113
[A]: -455


[Q]: 6146 @ 6167 @ 2315 @ 3372 # 5027 # 6268
[A]:
6705