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
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Question: 4039 # 2314 # 8257 # 5828 @ 2387 @ 4250 @ 5479 # 991

Answer: -1235


Question: 2787 @ 3800 # 142 # 7750 # 8581 @ 5447 @ 1512 @ 6550

Answer: 3623


Question: 2405 @ 2160 @ 394 # 8936 # 2551 @ 5734 @ 5167

Answer:
4373