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: 5193 # 9816 # 9875 # 1011 @ 1147 @ 5023

Output: -9339


Input: Consider Input: 3816 @ 8163 # 9273 @ 2037 @ 8051 @ 826

Output: 13620


Input: Consider Input: 7467 @ 4709 # 4609 # 6370 # 8858


Output: -7661