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: 3462 @ 9743 @ 8298
Example Output: 21503

Example Input: 9656 # 6289 # 4308 # 2092 # 5148 @ 9253
Example Output: 1072

Example Input: 4064 @ 6003 # 7026 @ 7483 # 6116 @ 130 @ 9945
Example Output:
14483