#include <math.h>
#include <cstdlib>
#include <iostream>

using namespace std;

int main(int argc, char *argv)
{
int i,x;
float j;
bool prime;
i=2;

cout <<"please enter num:" ;
cin>>x;
j=sqrt(x);


{ while (j>=i)


{ if(x%i==0)
cout <<"no prime ";
else

cout <<"prime ";

i=i+1;
}

}