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: 9248 # 9080 @ 3314 # 1458

Output: 2024


Input: Consider Input: 7579 @ 2801 # 7154 @ 4185 # 825 @ 4256 @ 9614

Output: 20456


Input: Consider Input: 385 # 2624 # 7335 # 3934 # 4543 @ 7977


Output: -10074