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: 730 @ 7585 # 9902 # 6809 @ 286 @ 9412 @ 9282 # 3941 # 4046
Example Output: 2597

Example Input: 6385 # 7829 @ 2463 @ 3411 # 652 # 5880 # 6454
Example Output: -8556

Example Input: 8610 # 1799 @ 6949 # 2118 @ 2200 @ 7263 @ 3601 # 9571 # 1914
Example Output:
13221