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: 1021 # 2896 # 8239 # 5207 # 1962 # 5346

Output: -22629


Input: Consider Input: 9248 # 9080 @ 3314 # 1458

Output: 2024


Input: Consider Input: 1017 # 32 @ 7147 @ 4703 @ 150


Output: 12985


