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

9938 # 267 # 6696 # 8186 # 5729 # 8517 # 6331 @ 7607
-18181

1221 @ 4619 # 3319 @ 2958
5479

1364 @ 293 # 8861 @ 4905 # 6905

-9204