import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String N = sc.next();
        sc.close();

        switch (N.charAt(N.length() - 1)) {
            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;
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String N = sc.next();
        sc.close();

        switch (N.charAt(N.length() - 1)) {
            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;
        }
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String N = sc.next();
        sc.close();

        switch (N.charAt(N.length() - 1)) {
            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;
        }
    } main {
        Scanner sc = new Scanner(System.in);
        String N = sc.next();
        sc.close();

        switch (N.charAt(N.length() - 1)) {
            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;
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String N = sc.next(); N sc.next() sc.next sc sc.close() sc.close sc switch (N.charAt(N.length() - 1)) {
            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.charAt(N.length() - 1) N.charAt N N.length() - 1 N.length() N.length N 1 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; String[] args args public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String N = sc.next();
        sc.close();

        switch (N.charAt(N.length() - 1)) {
            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;
        }
    }
} public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String N = sc.next();
        sc.close();

        switch (N.charAt(N.length() - 1)) {
            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;
        }
    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String N = sc.next();
        sc.close();

        switch (N.charAt(N.length() - 1)) {
            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;
        }
    }
}
