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: 6015 # 4758 @ 9332 @ 3048 @ 2544 # 1136 # 4093 @ 2060 @ 570

Output: 13582


Input: Consider Input: 5245 # 2258 @ 1333 # 9626 @ 7040 @ 9804

Output: 11538


Input: Consider Input: 6516 @ 2967 # 2954 # 227 @ 7442 # 3861 @ 8498


Output: 18381