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: 3462 @ 9743 @ 8298

Output: 21503


Input: Consider Input: 110 # 9698 @ 1310 # 3568 @ 2672 @ 4113 @ 9431


Output: 4370