#define  _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int is_prime(int x)
{int count = 0;for (int i = 2; i<x; i++){if (x % i == 0){count++;}}if (count == 0){printf("是素数\n");}elseprintf("不是素数\n");printf("100--200之间的素数\n");for (int i = 100; i < 200; i++){int flag = 0;for (int j = 2; j < i; j++){if (i % j == 0)flag++;}if (flag==0)printf("%d ", i);}
}
int main()
{int x;scanf("%d", &x);is_prime(x);return 0;
}