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: 2724 @ 8119 @ 1049 @ 9004
Example Output: 20896

Example Input: 4331 # 7606 @ 9043 @ 9912 @ 1560 # 5858 @ 703
Example Output: 12085

Example Input: 6966 @ 9175 @ 7305 @ 9055 # 1192 @ 8387 @ 915 # 6384
Example Output:
34227