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]: 837 @ 118 @ 1503 # 3288 @ 6669 # 1394
[A]: 4445


[Q]: 1262 # 4309 # 2911
[A]: -5958


[Q]: 8119 @ 6857 # 1734 @ 7196 # 7113 # 9118 @ 9381 # 1647
[A]:
11941