import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        n%=100;
        n%=10;
        
        if(n==3)  System.out.println("bon");
        else if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon");
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        n%=100;
        n%=10;
        
        if(n==3)  System.out.println("bon");
        else if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon");
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        n%=100;
        n%=10;
        
        if(n==3)  System.out.println("bon");
        else if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon");
    } main {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        n%=100;
        n%=10;
        
        if(n==3)  System.out.println("bon");
        else if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon");
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc n%=100 n 100 n%=10 n 10 if(n==3)  System.out.println("bon");
        else if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon"); n==3 n 3 System.out.println("bon") System.out.println System.out System System.out "bon" if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon"); n==0 || n==1 ||n==6 ||n==8 n==6 n==0 || n==1 ||n==6 ||n==8 n==0 n 0 n==1 n 1 n==6 n 6 n==8 n 8 System.out.println("pon") System.out.println System.out System System.out "pon" System.out.println("hon") System.out.println System.out System System.out "hon" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        n%=100;
        n%=10;
        
        if(n==3)  System.out.println("bon");
        else if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon");
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        n%=100;
        n%=10;
        
        if(n==3)  System.out.println("bon");
        else if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon");
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        n%=100;
        n%=10;
        
        if(n==3)  System.out.println("bon");
        else if(n==0 || n==1 ||n==6 ||n==8) System.out.println("pon");
        else System.out.println("hon");
    }
}