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

8293 # 4243 # 6119 @ 5292
3223

2119 @ 4112 # 67 @ 4756 @ 8332 # 5768

13484