import java.util.*;
import java.io.*;
 
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        if(n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9){
            System.out.println("hon");
        } else if(n%10==0||n%10==1||n%10==6||n%10==8){
            System.out.println("pon");
        } else{
            System.out.println("bon");
        }
    }
} import java.util.*; util.* java import java.io.*; io.* java public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        if(n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9){
            System.out.println("hon");
        } else if(n%10==0||n%10==1||n%10==6||n%10==8){
            System.out.println("pon");
        } else{
            System.out.println("bon");
        }
    }
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        if(n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9){
            System.out.println("hon");
        } else if(n%10==0||n%10==1||n%10==6||n%10==8){
            System.out.println("pon");
        } else{
            System.out.println("bon");
        }
    } main {
		Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        if(n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9){
            System.out.println("hon");
        } else if(n%10==0||n%10==1||n%10==6||n%10==8){
            System.out.println("pon");
        } else{
            System.out.println("bon");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc if(n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9){
            System.out.println("hon");
        } else if(n%10==0||n%10==1||n%10==6||n%10==8){
            System.out.println("pon");
        } else{
            System.out.println("bon");
        } n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9 n%10==7 n%10==5 n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9 n%10 == 2 n%10 n 10 2 n%10==4 n%10 n 10 4 n%10==5 n%10 n 10 5 n%10==7 n%10 n 10 7 n%10==9 n%10 n 10 9 {
            System.out.println("hon");
        } System.out.println("hon") System.out.println System.out System System.out "hon" if(n%10==0||n%10==1||n%10==6||n%10==8){
            System.out.println("pon");
        } else{
            System.out.println("bon");
        } n%10==0||n%10==1||n%10==6||n%10==8 n%10==6 n%10==0||n%10==1||n%10==6||n%10==8 n%10==0 n%10 n 10 0 n%10==1 n%10 n 10 1 n%10==6 n%10 n 10 6 n%10==8 n%10 n 10 8 {
            System.out.println("pon");
        } System.out.println("pon") System.out.println System.out System System.out "pon" {
            System.out.println("bon");
        } 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 n = sc.nextInt();
        if(n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9){
            System.out.println("hon");
        } else if(n%10==0||n%10==1||n%10==6||n%10==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 n = sc.nextInt();
        if(n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9){
            System.out.println("hon");
        } else if(n%10==0||n%10==1||n%10==6||n%10==8){
            System.out.println("pon");
        } else{
            System.out.println("bon");
        }
    }
} Main
import java.util.*;
import java.io.*;
 
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        if(n%10 == 2 || n%10==4||n%10==5||n%10==7||n%10==9){
            System.out.println("hon");
        } else if(n%10==0||n%10==1||n%10==6||n%10==8){
            System.out.println("pon");
        } else{
            System.out.println("bon");
        }
    }
}