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: 2065 @ 2103 @ 1800
Example Output: 5968

Example Input: 5193 # 9816 # 9875 # 1011 @ 1147 @ 5023
Example Output: -9339

Example Input: 5557 # 5964 @ 8125 # 4035
Example Output:
3683