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: 1917 @ 4353 @ 4321 @ 3060 @ 6681 @ 7890 @ 8148
Example Output: 36370

Example Input: 6853 # 3523 @ 1895 @ 6916 @ 2795 # 8802 # 3074 # 5622 @ 956
Example Output: -1606

Example Input: 6743 # 5149 @ 1860 @ 5594 @ 8875 @ 7675
Example Output:
25598