Problem2741--筛法练习 - 报数游戏

2741: 筛法练习 - 报数游戏

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Time Limit : 5.000 sec  Memory Limit : 128 MB

SubmitSolved: 6Submit Num: 22Statistics

Description




Sample Input Copy 

4
6
33
69
300

Sample Output Copy 

8
36
80
-1

Source/Category

筛法 
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