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 sc = new Scanner(System.in);
		int N = sc.nextInt();

		while(N>=10) {
			N=N-10;
		}
		if(N == 3) {
			System.out.println("bon");
		}else if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		}
	}

} 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 sc = new Scanner(System.in);
		int N = sc.nextInt();

		while(N>=10) {
			N=N-10;
		}
		if(N == 3) {
			System.out.println("bon");
		}else if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		}
	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		while(N>=10) {
			N=N-10;
		}
		if(N == 3) {
			System.out.println("bon");
		}else if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		}
	} main {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		while(N>=10) {
			N=N-10;
		}
		if(N == 3) {
			System.out.println("bon");
		}else if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc while(N>=10) {
			N=N-10;
		} N>=10 N 10 {
			N=N-10;
		} N=N-10 N N-10 N 10 if(N == 3) {
			System.out.println("bon");
		}else if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		} N == 3 N 3 {
			System.out.println("bon");
		} System.out.println("bon") System.out.println System.out System System.out "bon" if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		} 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("hon");
		} System.out.println("hon") System.out.println System.out System System.out "hon" 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 sc = new Scanner(System.in);
		int N = sc.nextInt();

		while(N>=10) {
			N=N-10;
		}
		if(N == 3) {
			System.out.println("bon");
		}else if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		}
	}

} 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 sc = new Scanner(System.in);
		int N = sc.nextInt();

		while(N>=10) {
			N=N-10;
		}
		if(N == 3) {
			System.out.println("bon");
		}else if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		}
	}

} 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 sc = new Scanner(System.in);
		int N = sc.nextInt();

		while(N>=10) {
			N=N-10;
		}
		if(N == 3) {
			System.out.println("bon");
		}else if(N == 0 ||N == 1 || N == 6 || N == 8) {
			System.out.println("pon");
		}else {
			System.out.println("hon");
		}
	}

}
