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: 6267 @ 3545 @ 4904 @ 4580

Answer: 19296


Question: 3522 @ 8651 @ 5172 # 4816 # 7424 # 1074 # 1822 # 1419

Answer: 790


Question: 636 # 9939 @ 3769 @ 8322 # 3343 @ 8680 # 1129 # 9882 # 3400

Answer:
-6286