
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.reflect.Array;
import java.util.*;


class Main {
    
         
    static FastReader in;
    static StringBuilder out;
    
    public  static void main(String[] args) {
        out = new StringBuilder();
        in = new FastReader();
        String n=in.nextLine();
        char ch=n.charAt(n.length()-1);
        if(ch=='3'){
            System.out.println("bon");
        }else if(ch=='0' || ch=='1' || ch=='6' || ch=='8'){
            System.out.println("pon");
        }else{
            System.out.println("hon");
        }
    }
    static 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.lang.reflect.Array; Array java.lang.reflect import java.util.*; util.* java class Main {
    
         
    static FastReader in;
    static StringBuilder out;
    
    public  static void main(String[] args) {
        out = new StringBuilder();
        in = new FastReader();
        String n=in.nextLine();
        char ch=n.charAt(n.length()-1);
        if(ch=='3'){
            System.out.println("bon");
        }else if(ch=='0' || ch=='1' || ch=='6' || ch=='8'){
            System.out.println("pon");
        }else{
            System.out.println("hon");
        }
    }
    static 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;
        }
    }
 
     
    
} Main static FastReader in; in static StringBuilder out; out public  static void main(String[] args) {
        out = new StringBuilder();
        in = new FastReader();
        String n=in.nextLine();
        char ch=n.charAt(n.length()-1);
        if(ch=='3'){
            System.out.println("bon");
        }else if(ch=='0' || ch=='1' || ch=='6' || ch=='8'){
            System.out.println("pon");
        }else{
            System.out.println("hon");
        }
    } main {
        out = new StringBuilder();
        in = new FastReader();
        String n=in.nextLine();
        char ch=n.charAt(n.length()-1);
        if(ch=='3'){
            System.out.println("bon");
        }else if(ch=='0' || ch=='1' || ch=='6' || ch=='8'){
            System.out.println("pon");
        }else{
            System.out.println("hon");
        }
    } out = new StringBuilder() out new StringBuilder() in = new FastReader() in new FastReader() String n=in.nextLine(); n in.nextLine() in.nextLine in char ch=n.charAt(n.length()-1); ch n.charAt(n.length()-1) n.charAt n n.length()-1 n.length() n.length n 1 if(ch=='3'){
            System.out.println("bon");
        }else if(ch=='0' || ch=='1' || ch=='6' || ch=='8'){
            System.out.println("pon");
        }else{
            System.out.println("hon");
        } ch=='3' ch '3' {
            System.out.println("bon");
        } System.out.println("bon") System.out.println System.out System System.out "bon" if(ch=='0' || ch=='1' || ch=='6' || ch=='8'){
            System.out.println("pon");
        }else{
            System.out.println("hon");
        } ch=='0' || ch=='1' || ch=='6' || ch=='8' ch=='6' ch=='0' || ch=='1' || ch=='6' || ch=='8' ch=='0' ch '0' ch=='1' ch '1' ch=='6' ch '6' ch=='8' ch '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 static 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

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.reflect.Array;
import java.util.*;


class Main {
    
         
    static FastReader in;
    static StringBuilder out;
    
    public  static void main(String[] args) {
        out = new StringBuilder();
        in = new FastReader();
        String n=in.nextLine();
        char ch=n.charAt(n.length()-1);
        if(ch=='3'){
            System.out.println("bon");
        }else if(ch=='0' || ch=='1' || ch=='6' || ch=='8'){
            System.out.println("pon");
        }else{
            System.out.println("hon");
        }
    }
    static 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;
        }
    }
 
     
    
}