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: 8238 @ 9817 # 2474 @ 3673 @ 9625 # 849 @ 1441
Example Output: 29471

Example Input: 5263 @ 8483 # 8668 @ 4802 # 7388 @ 2501 @ 3137 # 8399
Example Output: -269

Example Input: 1659 # 7131 @ 8889 # 8053 # 9552 @ 4977 @ 6631
Example Output:
-2580