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

3298 @ 1140 @ 3407 # 8200 # 7383 # 6043 @ 5264
-8517

6597 @ 1596 # 358 # 9057 @ 993
-229

2295 @ 377 @ 740 # 3375 @ 5097 @ 4841 # 8074 @ 7871

9772