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: 2113 # 9012 @ 5533 @ 5034 # 9159 # 2169 # 9889

Output: -17549


Input: Consider Input: 2475 # 126 @ 138 # 2303 # 5327 # 6412 # 9849 # 8474 # 6460

Output: -36338


Input: Consider Input: 5482 # 4153 @ 5336 # 433


Output: 6232