#include <iostream>

using namespace std;

int main()
{
 int n;
 cin>>n;
 if(n%==2||n%==4||n%==5||n%==7||n%==9)
    cout<<"hon";
 else if(n%==0||n%==1||n%==6||n%==8)
    cout<<"pon";
    else if(n%==3)
    cout<<"bon";
    return 0;
}
