import java.util.Scanner;

public class Main{

    public static void main(String []args){
        Scanner sc = new Scanner(System.in);
        int a=0;
        int b=0;
        int c=0;
        int d=0;
        int score=0;
        a=sc.nextInt();
        String s=String.valueOf(a);
        if(s.endsWith("2")||s.endsWith("4")||s.endsWith("5")||s.endsWith("7")||s.endsWith("9")){
            System.out.print("hon");
        }



        if(s.endsWith("0")||s.endsWith("1")||s.endsWith("6")||s.endsWith("8")){
            System.out.print("pon");
        }
        if(s.endsWith("3")){
            System.out.print("bon");
        }





    }

}




/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz