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: 1296 @ 9756 @ 2493 @ 9940 # 5147 # 5428 # 5741 # 828
Example Output: 6341

Example Input: 2214 @ 2042 # 8931
Example Output: -4675

Example Input: 1711 # 7723 @ 4378 @ 7612 @ 8261 # 193 @ 3641
Example Output:
17687