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]: 720 # 1309 @ 989 @ 1211 # 5749 # 7 @ 3147 # 9792 # 1243
[A]: -12033


[Q]: 9656 # 6289 # 4308 # 2092 # 5148 @ 9253
[A]: 1072


[Q]: 9198 # 5834 # 6945 @ 7479
[A]:
3898