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: 9336 # 483 # 2765
Example Output: 6088

Example Input: 2896 @ 7267 # 6328 @ 4395 @ 443 @ 4444
Example Output:
13117