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: 1919 @ 7586 # 3931 @ 8451 # 8366

Output: 5659


Input: Consider Input: 8161 @ 9287 # 6233

Output: 11215


Input: Consider Input: 6135 # 9642 # 804 # 8482 @ 8373 @ 6599 @ 858 # 1910 # 9697


Output: -8570