

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) {

        FastReader fastReader = new FastReader();
        find( fastReader.nextInt() );

    }

    public static void find( int num ){

        int lastDigit = num % 10;

        if( lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 ){
            System.out.println("hon");
        }
        else if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        }
    }
}

class FastReader
{
    BufferedReader br;
    StringTokenizer st;

    public FastReader()
    {
        br = new BufferedReader(new
                InputStreamReader(System.in));
    }

    String next()
    {
        while (st == null || !st.hasMoreElements())
        {
            try
            {
                st = new StringTokenizer(br.readLine());
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        return st.nextToken();
    }

    int nextInt()
    {
        return Integer.parseInt(next());
    }

    long nextLong()
    {
        return Long.parseLong(next());
    }

    double nextDouble()
    {
        return Double.parseDouble(next());
    }

    String nextLine()
    {
        String str = "";
        try
        {
            str = br.readLine();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return str;
    }
}
 import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.Scanner; Scanner java.util import java.util.StringTokenizer; StringTokenizer java.util public class Main {

    public static void main(String[] args) {

        FastReader fastReader = new FastReader();
        find( fastReader.nextInt() );

    }

    public static void find( int num ){

        int lastDigit = num % 10;

        if( lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 ){
            System.out.println("hon");
        }
        else if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        }
    }
} Main public static void main(String[] args) {

        FastReader fastReader = new FastReader();
        find( fastReader.nextInt() );

    } main {

        FastReader fastReader = new FastReader();
        find( fastReader.nextInt() );

    } FastReader fastReader = new FastReader(); fastReader new FastReader() find( fastReader.nextInt() ) find fastReader.nextInt() fastReader.nextInt fastReader String[] args args public static void find( int num ){

        int lastDigit = num % 10;

        if( lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 ){
            System.out.println("hon");
        }
        else if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        }
    } find {

        int lastDigit = num % 10;

        if( lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 ){
            System.out.println("hon");
        }
        else if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        }
    } int lastDigit = num % 10; lastDigit num % 10 num 10 if( lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 ){
            System.out.println("hon");
        }
        else if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        } lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 lastDigit == 7 lastDigit == 5 lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 lastDigit == 2 lastDigit 2 lastDigit == 4 lastDigit 4 lastDigit == 5 lastDigit 5 lastDigit == 7 lastDigit 7 lastDigit == 9 lastDigit 9 {
            System.out.println("hon");
        } System.out.println("hon") System.out.println System.out System System.out "hon" if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        } lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 lastDigit == 6 lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 lastDigit == 0 lastDigit 0 lastDigit == 1 lastDigit 1 lastDigit == 6 lastDigit 6 lastDigit == 8 lastDigit 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" int num num class FastReader
{
    BufferedReader br;
    StringTokenizer st;

    public FastReader()
    {
        br = new BufferedReader(new
                InputStreamReader(System.in));
    }

    String next()
    {
        while (st == null || !st.hasMoreElements())
        {
            try
            {
                st = new StringTokenizer(br.readLine());
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        return st.nextToken();
    }

    int nextInt()
    {
        return Integer.parseInt(next());
    }

    long nextLong()
    {
        return Long.parseLong(next());
    }

    double nextDouble()
    {
        return Double.parseDouble(next());
    }

    String nextLine()
    {
        String str = "";
        try
        {
            str = br.readLine();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return str;
    }
} FastReader BufferedReader br; br StringTokenizer st; st public FastReader()
    {
        br = new BufferedReader(new
                InputStreamReader(System.in));
    } FastReader {
        br = new BufferedReader(new
                InputStreamReader(System.in));
    } br = new BufferedReader(new
                InputStreamReader(System.in)) br new BufferedReader(new
                InputStreamReader(System.in)) String next()
    {
        while (st == null || !st.hasMoreElements())
        {
            try
            {
                st = new StringTokenizer(br.readLine());
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        return st.nextToken();
    } next {
        while (st == null || !st.hasMoreElements())
        {
            try
            {
                st = new StringTokenizer(br.readLine());
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        return st.nextToken();
    } while (st == null || !st.hasMoreElements())
        {
            try
            {
                st = new StringTokenizer(br.readLine());
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        } st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st {
            try
            {
                st = new StringTokenizer(br.readLine());
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        } try
            {
                st = new StringTokenizer(br.readLine());
            }
            catch (IOException e)
            {
                e.printStackTrace();
            } catch (IOException e)
            {
                e.printStackTrace();
            } IOException e {
                e.printStackTrace();
            } e.printStackTrace() e.printStackTrace e {
                st = new StringTokenizer(br.readLine());
            } st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt()
    {
        return Integer.parseInt(next());
    } nextInt {
        return Integer.parseInt(next());
    } return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong()
    {
        return Long.parseLong(next());
    } nextLong {
        return Long.parseLong(next());
    } return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble()
    {
        return Double.parseDouble(next());
    } nextDouble {
        return Double.parseDouble(next());
    } return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine()
    {
        String str = "";
        try
        {
            str = br.readLine();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return str;
    } nextLine {
        String str = "";
        try
        {
            str = br.readLine();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return str;
    } String str = ""; str "" try
        {
            str = br.readLine();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        } catch (IOException e)
        {
            e.printStackTrace();
        } IOException e {
            e.printStackTrace();
        } e.printStackTrace() e.printStackTrace e {
            str = br.readLine();
        } str = br.readLine() str br.readLine() br.readLine br return str; str public class Main {

    public static void main(String[] args) {

        FastReader fastReader = new FastReader();
        find( fastReader.nextInt() );

    }

    public static void find( int num ){

        int lastDigit = num % 10;

        if( lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 ){
            System.out.println("hon");
        }
        else if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        }
    }
} public class Main {

    public static void main(String[] args) {

        FastReader fastReader = new FastReader();
        find( fastReader.nextInt() );

    }

    public static void find( int num ){

        int lastDigit = num % 10;

        if( lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 ){
            System.out.println("hon");
        }
        else if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        }
    }
} Main


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) {

        FastReader fastReader = new FastReader();
        find( fastReader.nextInt() );

    }

    public static void find( int num ){

        int lastDigit = num % 10;

        if( lastDigit == 2 || lastDigit == 4 || lastDigit == 5 || lastDigit == 7 || lastDigit == 9 ){
            System.out.println("hon");
        }
        else if( lastDigit == 0 || lastDigit == 1 || lastDigit == 6 || lastDigit == 8 ){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        }
    }
}

class FastReader
{
    BufferedReader br;
    StringTokenizer st;

    public FastReader()
    {
        br = new BufferedReader(new
                InputStreamReader(System.in));
    }

    String next()
    {
        while (st == null || !st.hasMoreElements())
        {
            try
            {
                st = new StringTokenizer(br.readLine());
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        return st.nextToken();
    }

    int nextInt()
    {
        return Integer.parseInt(next());
    }

    long nextLong()
    {
        return Long.parseLong(next());
    }

    double nextDouble()
    {
        return Double.parseDouble(next());
    }

    String nextLine()
    {
        String str = "";
        try
        {
            str = br.readLine();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return str;
    }
}

