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

Example Input: 1327 # 8233 # 8048 # 194 @ 2192 @ 1877 # 3427 # 3364 # 6008
Example Output: -23878

Example Input: 2853 @ 2447 @ 3565
Example Output: 8865

Example Input: 2885 # 8369 @ 8161 @ 3122 @ 8710 # 5897
Example Output:
8612