import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String n = sc.next();

        char x = n.charAt(n.length() - 1);
        if (x == '3') {
            System.out.println("bon");
        } else if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        }
    }
} 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();

        char x = n.charAt(n.length() - 1);
        if (x == '3') {
            System.out.println("bon");
        } else if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        }
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String n = sc.next();

        char x = n.charAt(n.length() - 1);
        if (x == '3') {
            System.out.println("bon");
        } else if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        }
    } main {
        Scanner sc = new Scanner(System.in);

        String n = sc.next();

        char x = n.charAt(n.length() - 1);
        if (x == '3') {
            System.out.println("bon");
        } else if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String n = sc.next(); n sc.next() sc.next sc char x = n.charAt(n.length() - 1); x n.charAt(n.length() - 1) n.charAt n n.length() - 1 n.length() n.length n 1 if (x == '3') {
            System.out.println("bon");
        } else if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        } x == '3' x '3' {
            System.out.println("bon");
        } System.out.println("bon") System.out.println System.out System System.out "bon" if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        } x == '0' || x == '1' || x == '6' || x == '8' x == '6' x == '0' || x == '1' || x == '6' || x == '8' x == '0' x '0' x == '1' x '1' x == '6' x '6' x == '8' x '8' {
            System.out.println("pon");
        } System.out.println("pon") System.out.println System.out System System.out "pon" {
            System.out.println("hon");
        } System.out.println("hon") System.out.println System.out System System.out "hon" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String n = sc.next();

        char x = n.charAt(n.length() - 1);
        if (x == '3') {
            System.out.println("bon");
        } else if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String n = sc.next();

        char x = n.charAt(n.length() - 1);
        if (x == '3') {
            System.out.println("bon");
        } else if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        }
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String n = sc.next();

        char x = n.charAt(n.length() - 1);
        if (x == '3') {
            System.out.println("bon");
        } else if (x == '0' || x == '1' || x == '6' || x == '8') {
            System.out.println("pon");
        } else {
            System.out.println("hon");
        }
    }
}