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: 7729 # 7280 @ 5072 @ 3806 # 6060

Output: 3267


Input: Consider Input: 5010 # 2117 @ 6121 # 6244 @ 1089 @ 5871

Output: 9730


Input: Consider Input: 6748 @ 3224 # 12 # 7918 @ 9205 @ 9676 # 2665


Output: 18258