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: 9645 @ 911 @ 6748 # 3005 # 3625 # 87 @ 3003 # 5587 # 1382
Example Output: 6621

Example Input: 7773 @ 3264 # 8041 @ 4068 # 5476 # 5946 # 8987 # 7719
Example Output: -21064

Example Input: 1808 # 3395 @ 7092 # 6236 # 4017 @ 7500
Example Output:
2752

