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]: 1221 @ 4619 # 3319 @ 2958
[A]: 5479


[Q]: 1744 @ 4800 # 4688 @ 2637 # 1656 # 4459 # 9618 @ 4120
[A]: -7120


[Q]: 4452 # 5858 # 3667 @ 7521
[A]:
2448