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]: 6050 # 5266 # 3005
[EX A]: -2221

[EX Q]: 4449 @ 4019 @ 7637
[EX A]: 16105

[EX Q]: 5100 # 2363 # 718 @ 3367 # 550
[EX A]:
4836