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