import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int n = a % 10;

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

    }
} import java.util.*; util.* java class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int n = a % 10;

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

    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int n = a % 10;

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

    } main {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int n = a % 10;

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

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int n = a % 10; n a % 10 a 10 if((n==2) || (n==4) || (n==5) || (n==7) || (n==9)){
            System.out.println("hon");
        }else if((n==0) || (n==1) || (n==6) || (n==8)){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        } (n==2) || (n==4) || (n==5) || (n==7) || (n==9) (n==7) (n==5) (n==2) || (n==4) || (n==5) || (n==7) || (n==9) (n==2) n 2 (n==4) n 4 (n==5) n 5 (n==7) n 7 (n==9) n 9 {
            System.out.println("hon");
        } System.out.println("hon") System.out.println System.out System System.out "hon" if((n==0) || (n==1) || (n==6) || (n==8)){
            System.out.println("pon");
        }else{
            System.out.println("bon");
        } (n==0) || (n==1) || (n==6) || (n==8) (n==6) (n==0) || (n==1) || (n==6) || (n==8) (n==0) n 0 (n==1) n 1 (n==6) n 6 (n==8) n 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
import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int n = a % 10;

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

    }
}
