
import java.util.Scanner;

/**
 *
 * @author chuan
 */
public class Main {
      
      public static void main(String[] args) {
            Scanner sc = new Scanner(System.in) ;
            String s = sc.nextLine().trim() ;
            char c = s.charAt( s.length()-1);
            switch(c){
                  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");
                        
            }
            
      }
      
} import java.util.Scanner; Scanner java.util public class Main {
      
      public static void main(String[] args) {
            Scanner sc = new Scanner(System.in) ;
            String s = sc.nextLine().trim() ;
            char c = s.charAt( s.length()-1);
            switch(c){
                  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");
                        
            }
            
      }
      
} Main public static void main(String[] args) {
            Scanner sc = new Scanner(System.in) ;
            String s = sc.nextLine().trim() ;
            char c = s.charAt( s.length()-1);
            switch(c){
                  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");
                        
            }
            
      } main {
            Scanner sc = new Scanner(System.in) ;
            String s = sc.nextLine().trim() ;
            char c = s.charAt( s.length()-1);
            switch(c){
                  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");
                        
            }
            
      } Scanner sc = new Scanner(System.in) ; sc new Scanner(System.in) String s = sc.nextLine().trim() ; s sc.nextLine().trim() sc.nextLine().trim sc.nextLine() sc.nextLine sc char c = s.charAt( s.length()-1); c s.charAt( s.length()-1) s.charAt s s.length()-1 s.length() s.length s 1 switch(c){
                  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");
                        
            } c 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" String[] args args public class Main {
      
      public static void main(String[] args) {
            Scanner sc = new Scanner(System.in) ;
            String s = sc.nextLine().trim() ;
            char c = s.charAt( s.length()-1);
            switch(c){
                  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");
                        
            }
            
      }
      
} public class Main {
      
      public static void main(String[] args) {
            Scanner sc = new Scanner(System.in) ;
            String s = sc.nextLine().trim() ;
            char c = s.charAt( s.length()-1);
            switch(c){
                  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");
                        
            }
            
      }
      
} Main

import java.util.Scanner;

/**
 *
 * @author chuan
 */
public class Main {
      
      public static void main(String[] args) {
            Scanner sc = new Scanner(System.in) ;
            String s = sc.nextLine().trim() ;
            char c = s.charAt( s.length()-1);
            switch(c){
                  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");
                        
            }
            
      }
      
}
