import java.util.Scanner;

public class Main{
  public static void main(String[] args){

   Scanner sc = new Scanner(System.in);

   int N = sc.nextInt();

   N = (N / 1);
   N = N % 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.Scanner; Scanner java.util public class Main{
  public static void main(String[] args){

   Scanner sc = new Scanner(System.in);

   int N = sc.nextInt();

   N = (N / 1);
   N = N % 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 N = sc.nextInt();

   N = (N / 1);
   N = N % 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 N = sc.nextInt();

   N = (N / 1);
   N = N % 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 N = sc.nextInt(); N sc.nextInt() sc.nextInt sc N = (N / 1) N (N / 1) N 1 N = N % 10 N N % 10 N 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 public class Main{
  public static void main(String[] args){

   Scanner sc = new Scanner(System.in);

   int N = sc.nextInt();

   N = (N / 1);
   N = N % 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");
   }

  }
} public class Main{
  public static void main(String[] args){

   Scanner sc = new Scanner(System.in);

   int N = sc.nextInt();

   N = (N / 1);
   N = N % 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
import java.util.Scanner;

public class Main{
  public static void main(String[] args){

   Scanner sc = new Scanner(System.in);

   int N = sc.nextInt();

   N = (N / 1);
   N = N % 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");
   }

  }
}