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]: 9889 @ 8457 # 4692
[EX A]: 13654

[EX Q]: 2787 @ 3800 # 142 # 7750 # 8581 @ 5447 @ 1512 @ 6550
[EX A]: 3623

[EX Q]: 6003 @ 5299 # 8152
[EX A]:
3150