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: 5507 @ 4243 @ 5897 @ 7115 # 6687 @ 3875 # 298 @ 1379 @ 1973
Example Output: 23004

Example Input: 9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817
Example Output: 16765

Example Input: 6260 # 4172 @ 5796
Example Output:
7884