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: 1086 # 7477 # 9664 @ 5904 # 8033 # 5563
Example Output: -23747

Example Input: 445 # 5783 # 3236 # 9634 # 2299 # 2757 @ 3895 @ 5353 # 5757
Example Output: -19773

Example Input: 9566 # 6244 @ 3039 # 947 # 6321 @ 7732
Example Output:
6825