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

Q: 353 # 9525 @ 9923 @ 4025 # 1922 @ 4751

A: 7605
****
Q: 815 @ 7862 # 6166

A: 2511
****
Q: 6520 # 96 # 4019 @ 7226 @ 7906

A:
17537
****