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: 549 @ 2405 # 8368 @ 806 @ 5639
Example Output: 1031

Example Input: 130 # 5367 @ 2476 @ 3401 # 3671 @ 698 @ 7254 @ 9243
Example Output:
14164