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: 9285 # 5492 @ 6629 # 5477 @ 5969 # 8754
Example Output: 2160

Example Input: 8625 @ 3267 # 2323 # 3569
Example Output: 6000

Example Input: 4290 @ 3122 # 4791
Example Output:
2621