import java.util.Scanner;

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

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

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

} Main
import java.util.Scanner;

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

}