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: 7217 @ 2604 @ 9974 @ 8133 @ 8987 # 6381 # 7662

A: 22872
****
Q: 837 @ 118 @ 1503 # 3288 @ 6669 # 1394

A: 4445
****
Q: 3965 @ 4333 @ 603 @ 5429 @ 625 @ 4204 # 2456 # 4234

A:
12469
****
