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: Consider Input: 6732 @ 5690 # 2448 @ 1752 @ 7805 # 1629 # 9280

Output: 8622


Input: Consider Input: 519 @ 9686 @ 3145 # 9320

Output: 4030


Input: Consider Input: 395 # 3060 # 445 @ 3450 @ 3365


Output: 3705