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: 4400 @ 9261 @ 3016
Example Output: 16677

Example Input: 4558 @ 6469 @ 1154
Example Output: 12181

Example Input: 8981 @ 1771 # 4607 # 254 @ 3980 @ 591 @ 4051
Example Output:
14513