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: 9074 # 3474 @ 2553 @ 8125 # 7981 # 1438 @ 9668
Example Output: 16527

Example Input: 2900 # 2740 # 1706 @ 6629
Example Output: 5083

Example Input: 6207 @ 5027 @ 7147
Example Output:
18381