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

Input: Consider Input: 5110 # 9803 @ 2485 # 1678

Output: -3886

Input: Consider Input: 2448 @ 5284 # 6313 @ 7761 @ 4601 @ 6800

Output: 20581

Input: Consider Input: 6202 # 1055 # 6330 @ 6264 @ 751 # 8231
Output: -2399