import java.util.*;
 public class Main {
	public static void main(String[] args){
      
      int N = 999;

      if(N % 10  ==  2 || N % 10  = 4 || N % 10  == 5 || N % 10  == 7 || N % 10  == 9){
         System.out.println("hon");
         
      }else if(N % 10  == 3){

         System.out.println("bon");

      }else{

         System.out.println("pon");

       
      }
      
   }
 }


