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: 9024 # 5882 # 8531 # 9692 # 8354 @ 9065 # 1468
Example Output: -15838

Example Input: 381 # 4084 # 9377 # 3092
Example Output: -16172

Example Input: 9537 # 1737 # 4286 @ 8401
Example Output:
11915

