import java.util.Scanner;
public class Main
{
	public static void main(String[] args)
	{
	   Scanner sc = new Scanner(System.in);
       int a = sc.nextInt(); 
       int r = a % 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.Scanner; Scanner java.util public class Main
{
	public static void main(String[] args)
	{
	   Scanner sc = new Scanner(System.in);
       int a = sc.nextInt(); 
       int r = a % 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)
	{
	   Scanner sc = new Scanner(System.in);
       int a = sc.nextInt(); 
       int r = a % 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 {
	   Scanner sc = new Scanner(System.in);
       int a = sc.nextInt(); 
       int r = a % 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 sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int r = a % 10; r a % 10 a 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)
	{
	   Scanner sc = new Scanner(System.in);
       int a = sc.nextInt(); 
       int r = a % 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)
	{
	   Scanner sc = new Scanner(System.in);
       int a = sc.nextInt(); 
       int r = a % 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
import java.util.Scanner;
public class Main
{
	public static void main(String[] args)
	{
	   Scanner sc = new Scanner(System.in);
       int a = sc.nextInt(); 
       int r = a % 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");
	}
}
