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: 3782 @ 4127 # 1265 # 1395 @ 2430 @ 6990 @ 8573 @ 8170

Output: 31412


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

Output: 18607


Input: Consider Input: 3872 @ 3960 @ 5172 @ 9869 @ 2263


Output: 25136