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

Example Input: 5211 # 3266 @ 3042 @ 254 # 7823 @ 4298 # 8042 # 1629 # 6738
Example Output: -14693

Example Input: 5127 # 175 @ 5539
Example Output:
10491