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: 4867 # 7162 @ 1616 # 596 # 7845 @ 9594 # 3650 @ 6833
Example Output: 3657

Example Input: 9806 @ 7051 @ 6703 @ 4233 # 276
Example Output: 27517

Example Input: 6810 # 1229 @ 7800 @ 2652 # 1120 # 4960 # 6407
Example Output:
3546