import java.util.*;

 
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String num = scan.nextLine();
        scan.close();
        
        switch (num.charAt(num.length()-1)) {
            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;

            default:
                break;
        }
    }
}
 import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String num = scan.nextLine();
        scan.close();
        
        switch (num.charAt(num.length()-1)) {
            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;

            default:
                break;
        }
    }
} Main public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String num = scan.nextLine();
        scan.close();
        
        switch (num.charAt(num.length()-1)) {
            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;

            default:
                break;
        }
    } main {
        Scanner scan = new Scanner(System.in);
        String num = scan.nextLine();
        scan.close();
        
        switch (num.charAt(num.length()-1)) {
            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;

            default:
                break;
        }
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String num = scan.nextLine(); num scan.nextLine() scan.nextLine scan scan.close() scan.close scan switch (num.charAt(num.length()-1)) {
            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;

            default:
                break;
        } num.charAt(num.length()-1) num.charAt num num.length()-1 num.length() num.length num 1 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; default: default: break; String[] args args public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String num = scan.nextLine();
        scan.close();
        
        switch (num.charAt(num.length()-1)) {
            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;

            default:
                break;
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String num = scan.nextLine();
        scan.close();
        
        switch (num.charAt(num.length()-1)) {
            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;

            default:
                break;
        }
    }
} Main
import java.util.*;

 
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String num = scan.nextLine();
        scan.close();
        
        switch (num.charAt(num.length()-1)) {
            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;

            default:
                break;
        }
    }
}

