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: 7757 # 4475 @ 6447 # 2209 # 9966
Example Output: -2446

Example Input: 1131 @ 2823 # 1847 @ 6137 @ 7300 @ 27
Example Output: 15571

Example Input: 7686 @ 8753 @ 1402 # 3760 # 9121 @ 5705 @ 9002
Example Output:
19667