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: 6896 @ 8548 @ 1670 @ 7550 # 921
Example Output: 23743

Example Input: 5175 # 1386 # 5328 # 898 @ 5361 # 376 @ 1286 @ 861
Example Output: 4695

Example Input: 6682 # 1784 # 3054 @ 5304 # 5875 # 2378 # 9328
Example Output:
-10433