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: 1185 # 6431 @ 1326 # 2840 # 9276
Example Output: -16036

Example Input: 3839 # 8343 # 3366 @ 9432 @ 4687 @ 2441 # 89
Example Output: 8601

Example Input: 6119 # 2571 @ 9856 # 8240
Example Output:
5164