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: 5891 @ 5687 @ 6434 # 9679 @ 2950 # 5934 @ 1364 @ 6773

Answer: 13486


Question: 9807 @ 9345 # 5133 # 8042 @ 1499 # 8153 # 638

Answer: -1315


Question: 5722 # 2957 @ 6637 # 616

Answer:
8786