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

Answer: -6286


Question: 4282 @ 2191 # 7458 @ 8928

Answer: 7943


Question: 8805 @ 2102 @ 7238 @ 1556

Answer:
19701