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: 8293 # 4243 # 6119 @ 5292
Example Output: 3223

Example Input: 6060 @ 2846 @ 4249 @ 6831 @ 5191 @ 3711 # 352 # 2921 @ 5640
Example Output: 31255

Example Input: 6718 @ 5444 @ 1488 @ 5986 @ 7739 # 3048 @ 4944 @ 313
Example Output:
29584