//package A;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line = in.readLine();
        int input = Integer.valueOf(line);
        int a = input % 10;
        String ans = "";
        switch (a) {
            case 2:
            case 4:
            case 5:
            case 7:
            case 9:
                ans = "hon";
                break;
            case 0:
            case 1:
            case 6:
            case 8:
                ans = "pon";
                break;
            case 3:
                ans = "bon";
                break;
        }
        System.out.println(ans);
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line = in.readLine();
        int input = Integer.valueOf(line);
        int a = input % 10;
        String ans = "";
        switch (a) {
            case 2:
            case 4:
            case 5:
            case 7:
            case 9:
                ans = "hon";
                break;
            case 0:
            case 1:
            case 6:
            case 8:
                ans = "pon";
                break;
            case 3:
                ans = "bon";
                break;
        }
        System.out.println(ans);
    }
} Main public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line = in.readLine();
        int input = Integer.valueOf(line);
        int a = input % 10;
        String ans = "";
        switch (a) {
            case 2:
            case 4:
            case 5:
            case 7:
            case 9:
                ans = "hon";
                break;
            case 0:
            case 1:
            case 6:
            case 8:
                ans = "pon";
                break;
            case 3:
                ans = "bon";
                break;
        }
        System.out.println(ans);
    } main {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line = in.readLine();
        int input = Integer.valueOf(line);
        int a = input % 10;
        String ans = "";
        switch (a) {
            case 2:
            case 4:
            case 5:
            case 7:
            case 9:
                ans = "hon";
                break;
            case 0:
            case 1:
            case 6:
            case 8:
                ans = "pon";
                break;
            case 3:
                ans = "bon";
                break;
        }
        System.out.println(ans);
    } BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); in new BufferedReader(new InputStreamReader(System.in)) String line = in.readLine(); line in.readLine() in.readLine in int input = Integer.valueOf(line); input Integer.valueOf(line) Integer.valueOf Integer line int a = input % 10; a input % 10 input 10 String ans = ""; ans "" switch (a) {
            case 2:
            case 4:
            case 5:
            case 7:
            case 9:
                ans = "hon";
                break;
            case 0:
            case 1:
            case 6:
            case 8:
                ans = "pon";
                break;
            case 3:
                ans = "bon";
                break;
        } a 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: ans = "hon" ans "hon" break; case 0: 0 case 0: case 1: 1 case 1: case 6: 6 case 6: case 8: 8 case 8: ans = "pon" ans "pon" break; case 3: 3 case 3: ans = "bon" ans "bon" break; System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line = in.readLine();
        int input = Integer.valueOf(line);
        int a = input % 10;
        String ans = "";
        switch (a) {
            case 2:
            case 4:
            case 5:
            case 7:
            case 9:
                ans = "hon";
                break;
            case 0:
            case 1:
            case 6:
            case 8:
                ans = "pon";
                break;
            case 3:
                ans = "bon";
                break;
        }
        System.out.println(ans);
    }
} public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line = in.readLine();
        int input = Integer.valueOf(line);
        int a = input % 10;
        String ans = "";
        switch (a) {
            case 2:
            case 4:
            case 5:
            case 7:
            case 9:
                ans = "hon";
                break;
            case 0:
            case 1:
            case 6:
            case 8:
                ans = "pon";
                break;
            case 3:
                ans = "bon";
                break;
        }
        System.out.println(ans);
    }
} Main
//package A;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line = in.readLine();
        int input = Integer.valueOf(line);
        int a = input % 10;
        String ans = "";
        switch (a) {
            case 2:
            case 4:
            case 5:
            case 7:
            case 9:
                ans = "hon";
                break;
            case 0:
            case 1:
            case 6:
            case 8:
                ans = "pon";
                break;
            case 3:
                ans = "bon";
                break;
        }
        System.out.println(ans);
    }
}