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: 5460 # 8572 @ 5548
Example Output: 2436

Example Input: 2653 @ 9718 # 3237 @ 2973 # 6895 # 18
Example Output: 5194

Example Input: 1536 # 8227 @ 2897 @ 209 # 3017 # 442 @ 9547 # 5807
Example Output:
-3304