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]: 463 @ 7844 # 9816
[EX A]: -1509

[EX Q]: 6110 @ 5036 # 9621 @ 7662 # 3509 # 7697 # 1663 @ 9388
[EX A]: 5706

[EX Q]: 4364 # 2781 # 7674 # 4801 @ 898 @ 7562 @ 5925 @ 648 @ 7768
[EX A]:
11909