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: 8161 @ 9287 # 6233
Example Output: 11215

Example Input: 2354 @ 5192 @ 5717 # 1833 @ 9672 # 3565
Example Output: 17537

Example Input: 25 @ 2110 @ 1460 # 184 @ 1074 # 2098 @ 7661
Example Output:
10048