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: 6597 @ 1596 # 358 # 9057 @ 993
Example Output: -229

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

Example Input: 1788 @ 4847 # 9342 # 2397
Example Output:
-5104