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

815 @ 7862 # 6166
2511

1077 @ 2451 @ 9445 @ 1297 @ 2639 # 27 # 9331 @ 8713
16264

9673 @ 4655 # 1188 # 8656 @ 7178 # 5942

5720