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: 5142 # 5370 # 8292 @ 827 @ 9263 # 9184 @ 8692
Example Output: 1078

Example Input: 6884 @ 145 # 2208 # 5356 # 3578 @ 606
Example Output: -3507

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