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#600831
#include<stdio.h>
#include<conio.h>
int main(void)
{
int i,j;
scanf("%ld",&i);
for(j=2;j<=i/2;j++)
{
if(i%j==0)
{ printf("Not a prime");break;}
if(j==i/2)
printf("Prime");
}
getch();
}