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]: 837 @ 118 @ 1503 # 3288 @ 6669 # 1394
[EX A]: 4445

[EX Q]: 9781 # 2797 # 2134
[EX A]: 4850

[EX Q]: 9955 # 1286 # 488 # 6219 # 9951
[EX A]:
-7989