#include <iostream>
using namespace std;

int main() {
     int n;
    cout << "Enter a number: ";
    cin >> n;
    bool flag =  true; // true means prime 
    for ( int i = 2; i<=n/2; i++){
        flag =  false ; // false means composite
        break;

    }   if ( n==1){
            cout<<" neither prime nor composite";
        }
        else if ( flag == true){
            cout<<" prime number";
        }
        else {
            cout<<" composite number";
        }
}