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: 9938 # 267 # 6696 # 8186 # 5729 # 8517 # 6331 @ 7607

Answer: -18181


Question: 2569 # 3660 # 2044 @ 3564 # 7082 @ 4306 @ 254 @ 4425

Answer: 2332


Question: 905 @ 4687 # 1699 # 236 @ 6639 # 477

Answer:
9819