import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner stdIn = new Scanner(System.in);
		int n = stdIn.nextInt();
		int n1 = n / 100;
		n = n -  n1 * 100;
		int n2 = n / 10;
		n = n - n2 * 10;
		if(n == 2 || n == 4 || n == 5 || n == 7 || n == 9) {
			System.out.println("hon");
		}else if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		}

	}

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

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner stdIn = new Scanner(System.in);
		int n = stdIn.nextInt();
		int n1 = n / 100;
		n = n -  n1 * 100;
		int n2 = n / 10;
		n = n - n2 * 10;
		if(n == 2 || n == 4 || n == 5 || n == 7 || n == 9) {
			System.out.println("hon");
		}else if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		}

	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner stdIn = new Scanner(System.in);
		int n = stdIn.nextInt();
		int n1 = n / 100;
		n = n -  n1 * 100;
		int n2 = n / 10;
		n = n - n2 * 10;
		if(n == 2 || n == 4 || n == 5 || n == 7 || n == 9) {
			System.out.println("hon");
		}else if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		}

	} main {
		// TODO 自動生成されたメソッド・スタブ
		Scanner stdIn = new Scanner(System.in);
		int n = stdIn.nextInt();
		int n1 = n / 100;
		n = n -  n1 * 100;
		int n2 = n / 10;
		n = n - n2 * 10;
		if(n == 2 || n == 4 || n == 5 || n == 7 || n == 9) {
			System.out.println("hon");
		}else if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		}

	} Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int n = stdIn.nextInt(); n stdIn.nextInt() stdIn.nextInt stdIn int n1 = n / 100; n1 n / 100 n 100 n = n -  n1 * 100 n n -  n1 * 100 n n1 * 100 n1 100 int n2 = n / 10; n2 n / 10 n 10 n = n - n2 * 10 n n - n2 * 10 n n2 * 10 n2 10 if(n == 2 || n == 4 || n == 5 || n == 7 || n == 9) {
			System.out.println("hon");
		}else if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		} n == 2 || n == 4 || n == 5 || n == 7 || n == 9 n == 7 n == 5 n == 2 || n == 4 || n == 5 || n == 7 || n == 9 n == 2 n 2 n == 4 n 4 n == 5 n 5 n == 7 n 7 n == 9 n 9 {
			System.out.println("hon");
		} System.out.println("hon") System.out.println System.out System System.out "hon" if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		} n == 0 || n == 1 || n == 6 || n == 8 n == 6 n == 0 || n == 1 || n == 6 || n == 8 n == 0 n 0 n == 1 n 1 n == 6 n 6 n == 8 n 8 {
			System.out.println("pon");
		} System.out.println("pon") System.out.println System.out System System.out "pon" {
			System.out.println("bon");
		} 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) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner stdIn = new Scanner(System.in);
		int n = stdIn.nextInt();
		int n1 = n / 100;
		n = n -  n1 * 100;
		int n2 = n / 10;
		n = n - n2 * 10;
		if(n == 2 || n == 4 || n == 5 || n == 7 || n == 9) {
			System.out.println("hon");
		}else if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		}

	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner stdIn = new Scanner(System.in);
		int n = stdIn.nextInt();
		int n1 = n / 100;
		n = n -  n1 * 100;
		int n2 = n / 10;
		n = n - n2 * 10;
		if(n == 2 || n == 4 || n == 5 || n == 7 || n == 9) {
			System.out.println("hon");
		}else if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		}

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner stdIn = new Scanner(System.in);
		int n = stdIn.nextInt();
		int n1 = n / 100;
		n = n -  n1 * 100;
		int n2 = n / 10;
		n = n - n2 * 10;
		if(n == 2 || n == 4 || n == 5 || n == 7 || n == 9) {
			System.out.println("hon");
		}else if(n == 0 || n == 1 || n == 6 || n == 8) {
			System.out.println("pon");
		}else {
			System.out.println("bon");
		}

	}

}