#include<iostream>
#include<math.h>
using namespace std;
int main(){
int n;
cin>>n;
int dem = 0;
for(int i = 2; i <= sqrt(n); i++){
if(n % i == 0){
dem++;
}
}
if(dem == 0){
cout<<"n la so nguyen to";
}else if(dem > 0){
cout<<"n la hop so";
}
}
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