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: 8625 @ 3267 # 2323 # 3569
Example Output: 6000

Example Input: 3276 # 8656 # 2580 @ 7528 @ 344 @ 6066 # 9323 # 6974 # 6635
Example Output: -16954

Example Input: 5243 @ 7494 @ 6229 @ 3895 # 9298 # 7396 # 8275
Example Output:
-2108