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

2724 @ 8119 @ 1049 @ 9004
20896

1855 # 9818 @ 3927 @ 9533 # 8557 @ 619 # 7543 # 2844
-12828

9097 # 3108 # 3731 # 7852 @ 3082 # 3474 @ 6897
911