import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main{
    public static void main(String[] args){
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        try {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        }catch(IOException e){
            System.out.println("aaaa");
        }
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main{
    public static void main(String[] args){
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        try {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        }catch(IOException e){
            System.out.println("aaaa");
        }
    }
} Main public static void main(String[] args){
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        try {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        }catch(IOException e){
            System.out.println("aaaa");
        }
    } main {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        try {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        }catch(IOException e){
            System.out.println("aaaa");
        }
    } BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); reader new BufferedReader(new InputStreamReader(System.in)) try {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        }catch(IOException e){
            System.out.println("aaaa");
        } catch(IOException e){
            System.out.println("aaaa");
        } IOException e {
            System.out.println("aaaa");
        } System.out.println("aaaa") System.out.println System.out System System.out "aaaa" {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        } String N = reader.readLine(); N reader.readLine() reader.readLine reader int len = (int)N.length()-1; len (int)N.length()-1 (int)N.length() N.length N 1 String last = N.substring(len); last N.substring(len) N.substring N len if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            } last.equals("3") last.equals last "3" {
                System.out.println("bon");
            } System.out.println("bon") System.out.println System.out System System.out "bon" if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            } last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8") last.equals("6") last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8") last.equals("0") last.equals last "0" last.equals("1") last.equals last "1" last.equals("6") last.equals last "6" last.equals("8") last.equals last "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){
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        try {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        }catch(IOException e){
            System.out.println("aaaa");
        }
    }
} public class Main{
    public static void main(String[] args){
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        try {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        }catch(IOException e){
            System.out.println("aaaa");
        }
    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main{
    public static void main(String[] args){
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        try {
            String N = reader.readLine();
            int len = (int)N.length()-1;
            String last = N.substring(len);
            if(last.equals("3")){
                System.out.println("bon");
            }else if(last.equals("0") || last.equals("1") || last.equals("6") || last.equals("8")){
                System.out.println("pon");
            }else{
                System.out.println("hon");
            }
        }catch(IOException e){
            System.out.println("aaaa");
        }
    }
}