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

[EX Q]: 5640 @ 148 @ 7578 # 2373 # 3438 @ 4775 # 8187
[EX A]: 4143

[EX Q]: 8782 @ 1837 # 6954
[EX A]: 3665

[EX Q]: 7640 # 5117 @ 3855
[EX A]:
6378