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: 9582 @ 3554 @ 1044 @ 880 # 6787 # 6161
Example Output: 2112

Example Input: 8266 # 1170 @ 4310 # 4471 @ 1630 @ 5732 @ 3491 # 8696
Example Output:
9092