import java.util.*;
import java.util.Arrays;
public class Main{
    
    
    public static void main(String[] args){
       Scanner sc = new Scanner(System.in);
       int n =  sc.nextInt();
       int r=10;
       while(r>0){
           r = n/10;
           n = n-10*r;
           
       }
       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 import java.util.Arrays; Arrays java.util public class Main{
    
    
    public static void main(String[] args){
       Scanner sc = new Scanner(System.in);
       int n =  sc.nextInt();
       int r=10;
       while(r>0){
           r = n/10;
           n = n-10*r;
           
       }
       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();
       int r=10;
       while(r>0){
           r = n/10;
           n = n-10*r;
           
       }
       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();
       int r=10;
       while(r>0){
           r = n/10;
           n = n-10*r;
           
       }
       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 int r=10; r 10 while(r>0){
           r = n/10;
           n = n-10*r;
           
       } r>0 r 0 {
           r = n/10;
           n = n-10*r;
           
       } r = n/10 r n/10 n 10 n = n-10*r n n-10*r n 10*r 10 r 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("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("pon") System.out.println System.out System System.out "pon" {
        System.out.println("hon");
       } 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();
       int r=10;
       while(r>0){
           r = n/10;
           n = n-10*r;
           
       }
       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();
       int r=10;
       while(r>0){
           r = n/10;
           n = n-10*r;
           
       }
       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.*;
import java.util.Arrays;
public class Main{
    
    
    public static void main(String[] args){
       Scanner sc = new Scanner(System.in);
       int n =  sc.nextInt();
       int r=10;
       while(r>0){
           r = n/10;
           n = n-10*r;
           
       }
       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");
       }
    }
   
    
       
    
}