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: 1529 @ 8982 @ 3470 @ 7611 @ 9000

Output: 30592


Input: Consider Input: 9540 # 9387 # 8692 @ 5008 # 4886 @ 9427 @ 3816

Output: 4826


Input: Consider Input: 6461 # 9826 @ 5567 @ 1254 # 9102 # 8964 @ 4789 # 4004 # 9291


Output: -23116