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: 5569 # 5161 @ 9240 @ 391 @ 2756 # 7345 @ 4533

Output: 9983


Input: Consider Input: 2243 # 9188 # 3609 # 6813 @ 6109 @ 6045

Output: -5213


Input: Consider Input: 7263 @ 112 # 774 # 8503 # 5148 @ 7140 @ 4911 @ 9258


Output: 14259