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: 3938 @ 6900 @ 1254 @ 25 # 7237 # 5576 @ 8865 # 8864 @ 1349
Example Output: 654

Example Input: 6960 # 4418 @ 5450 @ 8475
Example Output: 16467

Example Input: 6906 @ 4581 # 1382
Example Output:
10105