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: 281 @ 7793 @ 5184 # 2962 @ 4511
Example Output: 14807

Example Input: 2307 # 9363 @ 4926 @ 5635
Example Output: 3505

Example Input: 8666 @ 9262 # 9558 @ 9336 @ 4984 # 6533 # 6165 @ 2432
Example Output:
12424