/* package codechef; // don't place package name! */
 
import java.util.*;
import java.lang.*;
 
/* Name of the class has to be "Main" only if the class is public. */
public class Main
{
        public static void main (String[]args)
        {
            // your code goes here
            Scanner s = new Scanner(System.in);
            int n = s.nextInt();
            int r = n%10;
            if(r==2||r==4||r==5||r==7||r==9)
                System.out.println("hon");
            else if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon");
 
        }
} import java.util.*; util.* java import java.lang.*; lang.* java public class Main
{
        public static void main (String[]args)
        {
            // your code goes here
            Scanner s = new Scanner(System.in);
            int n = s.nextInt();
            int r = n%10;
            if(r==2||r==4||r==5||r==7||r==9)
                System.out.println("hon");
            else if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon");
 
        }
} Main public static void main (String[]args)
        {
            // your code goes here
            Scanner s = new Scanner(System.in);
            int n = s.nextInt();
            int r = n%10;
            if(r==2||r==4||r==5||r==7||r==9)
                System.out.println("hon");
            else if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon");
 
        } main {
            // your code goes here
            Scanner s = new Scanner(System.in);
            int n = s.nextInt();
            int r = n%10;
            if(r==2||r==4||r==5||r==7||r==9)
                System.out.println("hon");
            else if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon");
 
        } Scanner s = new Scanner(System.in); s new Scanner(System.in) int n = s.nextInt(); n s.nextInt() s.nextInt s int r = n%10; r n%10 n 10 if(r==2||r==4||r==5||r==7||r==9)
                System.out.println("hon");
            else if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon"); r==2||r==4||r==5||r==7||r==9 r==7 r==5 r==2||r==4||r==5||r==7||r==9 r==2 r 2 r==4 r 4 r==5 r 5 r==7 r 7 r==9 r 9 System.out.println("hon") System.out.println System.out System System.out "hon" if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon"); r==0||r==1||r==6||r==8 r==6 r==0||r==1||r==6||r==8 r==0 r 0 r==1 r 1 r==6 r 6 r==8 r 8 System.out.println("pon") System.out.println System.out System System.out "pon" System.out.println("bon") System.out.println System.out System System.out "bon" String[]args args public class Main
{
        public static void main (String[]args)
        {
            // your code goes here
            Scanner s = new Scanner(System.in);
            int n = s.nextInt();
            int r = n%10;
            if(r==2||r==4||r==5||r==7||r==9)
                System.out.println("hon");
            else if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon");
 
        }
} public class Main
{
        public static void main (String[]args)
        {
            // your code goes here
            Scanner s = new Scanner(System.in);
            int n = s.nextInt();
            int r = n%10;
            if(r==2||r==4||r==5||r==7||r==9)
                System.out.println("hon");
            else if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon");
 
        }
} Main
/* package codechef; // don't place package name! */
 
import java.util.*;
import java.lang.*;
 
/* Name of the class has to be "Main" only if the class is public. */
public class Main
{
        public static void main (String[]args)
        {
            // your code goes here
            Scanner s = new Scanner(System.in);
            int n = s.nextInt();
            int r = n%10;
            if(r==2||r==4||r==5||r==7||r==9)
                System.out.println("hon");
            else if(r==0||r==1||r==6||r==8)
                System.out.println("pon");
            else
                System.out.println("bon");
 
        }
}