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: 9110 # 7535 @ 8117 # 9919 @ 6813 @ 187 # 5187

Output: 1586


Input: Consider Input: 5088 # 9353 # 2772 @ 3908 @ 9196 @ 4709

Output: 10776


Input: Consider Input: 9166 @ 9932 # 1924 @ 696


Output: 17870


