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]: 7252 # 8553 # 4853 @ 6748 # 3750
[A]: -3156


[Q]: 4101 @ 5888 # 877 # 7900 # 6062 @ 6246
[A]: 1396


[Q]: 9947 @ 5319 # 175 @ 7020
[A]:
22111