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: 7483 @ 4061 @ 195 # 1982 @ 5673 # 6623 @ 9661 @ 7613
Example Output: 26081

Example Input: 1767 @ 7166 @ 1543 @ 1185 @ 9966 # 6628
Example Output: 14999

Example Input: 9794 @ 2743 # 373 # 2104 # 3545 # 2114 @ 7834 @ 9957
Example Output:
22192