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: 2405 @ 2160 @ 394 # 8936 # 2551 @ 5734 @ 5167

Output: 4373

Input: Consider Input: 9629 @ 3687 @ 328

Output: 13644

Input: Consider Input: 9895 @ 1998 @ 1534 @ 8854 # 70 # 5004 @ 3367 @ 8062
Output: 28636