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