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: 16 @ 4157 @ 3953 @ 8863
Example Output: 16989

Example Input: 7534 @ 7329 # 2862 # 947 @ 8590 @ 4064
Example Output: 23708

Example Input: 3092 @ 3894 # 3952 # 9618 @ 9625 # 4863 @ 8603 # 9024 @ 7356
Example Output:
5113