import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String[] num = sc.nextLine().split("", 0);



		switch(num[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;
		}

	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String[] num = sc.nextLine().split("", 0);



		switch(num[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;
		}

	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String[] num = sc.nextLine().split("", 0);



		switch(num[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;
		}

	} main {
		Scanner sc = new Scanner(System.in);
		String[] num = sc.nextLine().split("", 0);



		switch(num[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;
		}

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String[] num = sc.nextLine().split("", 0); num sc.nextLine().split("", 0) sc.nextLine().split sc.nextLine() sc.nextLine sc "" 0 switch(num[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;
		} num[num.length - 1] num num.length - 1 num.length num num.length 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; String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String[] num = sc.nextLine().split("", 0);



		switch(num[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;
		}

	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String[] num = sc.nextLine().split("", 0);



		switch(num[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;
		}

	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String[] num = sc.nextLine().split("", 0);



		switch(num[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;
		}

	}
}