There are a box of apples,which contains N apples. You're going to give them to M person. It is required that everyone must be given a positive integer apple, and no one must have the same amount. If it can be done, output "possible"; otherwise output "impossible".
There are a box of apples,which contains N apples. You're going to give them to M person. It is required that everyone must be given a positive integer apple, and no one must have the same amount. If it can be done, output "possible"; otherwise output "impossible".
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