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: 4101 @ 5888 # 877 # 7900 # 6062 @ 6246
Example Output: 1396

Example Input: 3007 @ 8777 # 8750
Example Output: 3034

Example Input: 5487 @ 9269 @ 7286 @ 1616
Example Output:
23658