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: 5520 @ 1174 # 2584 # 6276 # 6659 @ 8281 # 5456 @ 1602 @ 4624
Example Output: 226

Example Input: 5508 # 4059 @ 9681 @ 2775 # 253 @ 8476 @ 882
Example Output:
23010