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[1498] Just A Prime Number
时间限制: 1000 ms 内存限制: 65535 K
问题描述
Give you a number N. You should tell me it is not a prime number.
输入
This problem has several cases.
For each case just contain one integer N (1 <= N <= 1000).
When the N is a non-postive number end of the input.
输出
If the number is a prime number print "Yes", otherwise print "No"
样例输入
5 4
样例输出
Yes No
提示
无
来源
大胖
操作
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