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: 64 # 5994 @ 8659 # 885

Output: 1844


Input: Consider Input: 7136 @ 2771 # 8833 # 1309 # 3150


Output: -3385