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: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948
Example Output: 30305

Example Input: 8760 @ 4583 # 2942 # 3854 # 5061 @ 31 # 5965
Example Output: -4448

Example Input: 9753 # 8804 # 8653 # 2010 @ 1424 @ 4080 # 8739
Example Output:
-12949