import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		 int N = sc.nextInt();
		 if(0<N && N<=999) {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 }
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		 int N = sc.nextInt();
		 if(0<N && N<=999) {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 }
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		 int N = sc.nextInt();
		 if(0<N && N<=999) {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 }
	} main {
		Scanner sc = new Scanner(System.in);
		 int N = sc.nextInt();
		 if(0<N && N<=999) {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 }
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc if(0<N && N<=999) {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 } 0<N && N<=999 0<N 0 N N<=999 N 999 {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 } N = N % 10 N N % 10 N 10 switch(N){
			 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;

			 } N 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; sc.close() sc.close sc String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		 int N = sc.nextInt();
		 if(0<N && N<=999) {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 }
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		 int N = sc.nextInt();
		 if(0<N && N<=999) {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 }
	}
} Main
import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		 int N = sc.nextInt();
		 if(0<N && N<=999) {
			  N = N % 10;
			 switch(N){
			 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;

			 }

			 sc.close();
		 }
	}
}
