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: 2404 @ 4359 # 5006 # 2796 # 6139
Example Output: -7178

Example Input: 4483 @ 3021 # 5582 # 3918 @ 8842
Example Output:
6846

