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]: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948
[EX A]: 30305

[EX Q]: 7152 @ 8957 # 8060 # 3668 # 8713 # 9420 # 3603
[EX A]: -17355

[EX Q]: 4093 # 5475 @ 9497 # 1751 # 1847
[EX A]:
4517