题目:
Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 246913578, which happens to be another 9-digit number consisting exactly the numbers from 1 to 9, only in a different permutation. Check to see the result if we double it again!
(译文:数字123456789是一个9位数字,恰好包含从1到9的数字,没有重复。翻倍得到246913578,它恰好是另一个9位数字由1到9组成,只是排列不同。如果我们再翻倍,看看结果如何!)
Now you are suppose to check if there are more numbers with this property. That is, double a given number with k digits, you are to tell if the resulting number consists of only a permutation of the digits in the original number.
(译文:现在你应该检查是否有更多的数字具有这个性质。也就是说,将一个给定的数字翻倍,有k个数字,你要判断结果数字是否只包含原始数字的一个排列。)
输入格式:
Each input contains one test case. Each case contains one positive intege