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: 7295 @ 8477 @ 8646 @ 3487 # 114 # 9184

Output: 18607


Input: Consider Input: 2989 # 6833 # 4298 @ 8863 # 8408

Output: -7687


Input: Consider Input: 6930 # 1932 @ 5690 # 938 # 342


Output: 9408