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: 8678 @ 7424 # 7399 @ 4601 @ 9327 @ 7787 @ 2286
Example Output: 32704

Example Input: 8045 @ 7755 # 7077 # 209 @ 8324 @ 9768 # 6169 @ 4387
Example Output: 24824

Example Input: 2875 @ 665 @ 7735 @ 1554 # 2339 # 9926 # 7782 # 2447 # 8332
Example Output:
-17997