Definition: 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
Input: 8172 @ 5540 # 9196 @ 4367 @ 9478 @ 6281 @ 6483 @ 139
Output:
31264