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

2026 @ 9494 # 8161
3359

5406 @ 9263 @ 7443 @ 6591 # 7496 @ 2721 # 7867
16061

1421 @ 1007 @ 7985 # 3779 @ 7055 @ 2659 # 4236 @ 7922

20034