import java.util.*;
 
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		if(N % 10 == 3)
		System.out.println("bon");

		if(N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9)
		System.out.println("hon");

		if(N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8)
		System.out.println("pon");
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		if(N % 10 == 3)
		System.out.println("bon");

		if(N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9)
		System.out.println("hon");

		if(N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8)
		System.out.println("pon");
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		if(N % 10 == 3)
		System.out.println("bon");

		if(N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9)
		System.out.println("hon");

		if(N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8)
		System.out.println("pon");
	} main {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		if(N % 10 == 3)
		System.out.println("bon");

		if(N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9)
		System.out.println("hon");

		if(N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8)
		System.out.println("pon");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc if(N % 10 == 3)
		System.out.println("bon"); N % 10 == 3 N % 10 N 10 3 System.out.println("bon") System.out.println System.out System System.out "bon" if(N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9)
		System.out.println("hon"); N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9 N % 10 == 7 N % 10 == 5 N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9 N % 10 == 2 N % 10 N 10 2 N % 10 == 4 N % 10 N 10 4 N % 10 == 5 N % 10 N 10 5 N % 10 == 7 N % 10 N 10 7 N % 10 == 9 N % 10 N 10 9 System.out.println("hon") System.out.println System.out System System.out "hon" if(N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8)
		System.out.println("pon"); N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8 N % 10 == 6 N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8 N % 10 == 0 N % 10 N 10 0 N % 10 == 1 N % 10 N 10 1 N % 10 == 6 N % 10 N 10 6 N % 10 == 8 N % 10 N 10 8 System.out.println("pon") System.out.println System.out System System.out "pon" String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		if(N % 10 == 3)
		System.out.println("bon");

		if(N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9)
		System.out.println("hon");

		if(N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8)
		System.out.println("pon");
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		if(N % 10 == 3)
		System.out.println("bon");

		if(N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9)
		System.out.println("hon");

		if(N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8)
		System.out.println("pon");
	}
} Main
import java.util.*;
 
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		if(N % 10 == 3)
		System.out.println("bon");

		if(N % 10 == 2 || N % 10 == 4 || N % 10 == 5 || N % 10 == 7 || N % 10 == 9)
		System.out.println("hon");

		if(N % 10 == 0 || N % 10 == 1 || N % 10 == 6 || N % 10 == 8)
		System.out.println("pon");
	}
}