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

Example Input: 6896 @ 8548 @ 1670 @ 7550 # 921
Example Output: 23743

Example Input: 8760 @ 4583 # 2942 # 3854 # 5061 @ 31 # 5965
Example Output: -4448

Example Input: 8592 @ 9445 @ 6793 # 1691 # 7266 @ 3361 @ 7102
Example Output:
26336