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: 1916 @ 5847 @ 4371
Example Output: 12134

Example Input: 2348 # 6075 @ 2149 # 1926 # 9532 # 9774 @ 2760 # 6500 @ 8335
Example Output:
-18215