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: 9255 @ 7467 @ 4436 @ 126 # 3569 # 8239

Output: 9476


Input: Consider Input: 8441 @ 2924 # 9024 @ 6661 @ 7034 # 4821 # 4921

Output: 6294


Input: Consider Input: 3946 @ 5087 # 6571


Output: 2462