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

8723 @ 8786 @ 5304 # 3700 @ 435 @ 2562 # 7488 # 7002 # 715
6905