import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        String b = a.substring(a.length()-1, a.length());
        switch(b) {
        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.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        String b = a.substring(a.length()-1, a.length());
        switch(b) {
        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 sc = new Scanner(System.in);
        String a = sc.next();
        String b = a.substring(a.length()-1, a.length());
        switch(b) {
        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 sc = new Scanner(System.in);
        String a = sc.next();
        String b = a.substring(a.length()-1, a.length());
        switch(b) {
        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 sc = new Scanner(System.in); sc new Scanner(System.in) String a = sc.next(); a sc.next() sc.next sc String b = a.substring(a.length()-1, a.length()); b a.substring(a.length()-1, a.length()) a.substring a a.length()-1 a.length() a.length a 1 a.length() a.length a switch(b) {
        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;
        } b 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 sc = new Scanner(System.in);
        String a = sc.next();
        String b = a.substring(a.length()-1, a.length());
        switch(b) {
        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 sc = new Scanner(System.in);
        String a = sc.next();
        String b = a.substring(a.length()-1, a.length());
        switch(b) {
        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.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        String b = a.substring(a.length()-1, a.length());
        switch(b) {
        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;
        }
    }
}