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: 6860 @ 2810 # 1038
Example Output: 8632

Example Input: 1884 @ 3670 # 3893 @ 782 @ 3288 # 7463 @ 3214
Example Output: 1482

Example Input: 596 # 6604 @ 8657
Example Output:
2649