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: 6853 # 3523 @ 1895 @ 6916 @ 2795 # 8802 # 3074 # 5622 @ 956
Example Output: -1606

Example Input: 452 # 5631 # 8307 # 1886 @ 4631 @ 1695 @ 4411 # 769
Example Output: -5404

Example Input: 7806 # 7178 @ 3538 @ 3972
Example Output:
8138