import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        String s = String.valueOf(n);
        switch(s.substring(s.length() - 1)){
            case "2":
            case "4":
            case "5":
            case "7":
            case "9":
                System.out.println("hon");
                break;
            case "0":
            case "1":
            case "6":
            case "8":
                System.out.println("pon");
                break;
            case "3":
                System.out.println("bon");
                break;
        }
    }
} import java.util.*; util.* java public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        String s = String.valueOf(n);
        switch(s.substring(s.length() - 1)){
            case "2":
            case "4":
            case "5":
            case "7":
            case "9":
                System.out.println("hon");
                break;
            case "0":
            case "1":
            case "6":
            case "8":
                System.out.println("pon");
                break;
            case "3":
                System.out.println("bon");
                break;
        }
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        String s = String.valueOf(n);
        switch(s.substring(s.length() - 1)){
            case "2":
            case "4":
            case "5":
            case "7":
            case "9":
                System.out.println("hon");
                break;
            case "0":
            case "1":
            case "6":
            case "8":
                System.out.println("pon");
                break;
            case "3":
                System.out.println("bon");
                break;
        }
    } main {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        String s = String.valueOf(n);
        switch(s.substring(s.length() - 1)){
            case "2":
            case "4":
            case "5":
            case "7":
            case "9":
                System.out.println("hon");
                break;
            case "0":
            case "1":
            case "6":
            case "8":
                System.out.println("pon");
                break;
            case "3":
                System.out.println("bon");
                break;
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc String s = String.valueOf(n); s String.valueOf(n) String.valueOf String n switch(s.substring(s.length() - 1)){
            case "2":
            case "4":
            case "5":
            case "7":
            case "9":
                System.out.println("hon");
                break;
            case "0":
            case "1":
            case "6":
            case "8":
                System.out.println("pon");
                break;
            case "3":
                System.out.println("bon");
                break;
        } s.substring(s.length() - 1) s.substring s s.length() - 1 s.length() s.length s 1 case "2": "2" case "2": case "4": "4" case "4": case "5": "5" case "5": case "7": "7" case "7": case "9": "9" case "9": System.out.println("hon") System.out.println System.out System System.out "hon" break; case "0": "0" case "0": case "1": "1" case "1": case "6": "6" case "6": case "8": "8" case "8": System.out.println("pon") System.out.println System.out System System.out "pon" break; case "3": "3" case "3": System.out.println("bon") System.out.println System.out System System.out "bon" break; String[] args args public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        String s = String.valueOf(n);
        switch(s.substring(s.length() - 1)){
            case "2":
            case "4":
            case "5":
            case "7":
            case "9":
                System.out.println("hon");
                break;
            case "0":
            case "1":
            case "6":
            case "8":
                System.out.println("pon");
                break;
            case "3":
                System.out.println("bon");
                break;
        }
    }
} public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        String s = String.valueOf(n);
        switch(s.substring(s.length() - 1)){
            case "2":
            case "4":
            case "5":
            case "7":
            case "9":
                System.out.println("hon");
                break;
            case "0":
            case "1":
            case "6":
            case "8":
                System.out.println("pon");
                break;
            case "3":
                System.out.println("bon");
                break;
        }
    }
} Main
import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        String s = String.valueOf(n);
        switch(s.substring(s.length() - 1)){
            case "2":
            case "4":
            case "5":
            case "7":
            case "9":
                System.out.println("hon");
                break;
            case "0":
            case "1":
            case "6":
            case "8":
                System.out.println("pon");
                break;
            case "3":
                System.out.println("bon");
                break;
        }
    }
}