import java.io.*;
 
public class Main{
	public static void main(String[] args)throws IOException{
    	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
      
      int n;
      n=Integer.parseInt(br.readLine());
      n=n%10;
      switch(n){
        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.io.*; io.* java public class Main{
	public static void main(String[] args)throws IOException{
    	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
      
      int n;
      n=Integer.parseInt(br.readLine());
      n=n%10;
      switch(n){
        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)throws IOException{
    	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
      
      int n;
      n=Integer.parseInt(br.readLine());
      n=n%10;
      switch(n){
        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 {
    	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
      
      int n;
      n=Integer.parseInt(br.readLine());
      n=n%10;
      switch(n){
        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;
      }
    } BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) int n; n n=Integer.parseInt(br.readLine()) n Integer.parseInt(br.readLine()) Integer.parseInt Integer br.readLine() br.readLine br n=n%10 n n%10 n 10 switch(n){
        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;
      } n 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)throws IOException{
    	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
      
      int n;
      n=Integer.parseInt(br.readLine());
      n=n%10;
      switch(n){
        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)throws IOException{
    	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
      
      int n;
      n=Integer.parseInt(br.readLine());
      n=n%10;
      switch(n){
        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.io.*;
 
public class Main{
	public static void main(String[] args)throws IOException{
    	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
      
      int n;
      n=Integer.parseInt(br.readLine());
      n=n%10;
      switch(n){
        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;
      }
    }	
}