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: 2678 # 5467 @ 8355 # 3124 # 5654

A: -3212
****
Q: 3522 @ 8651 @ 5172 # 4816 # 7424 # 1074 # 1822 # 1419

A: 790
****
Q: 950 # 4803 @ 9743 @ 7750 @ 7594

A:
21234
****