import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int[] n = {1, 1, 0, 2, 0, 0, 1, 0, 1, 0};
		String a = sc.next();
		int b = Integer.parseInt(a.substring(a.length() - 1));

		System.out.println(n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon");
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int[] n = {1, 1, 0, 2, 0, 0, 1, 0, 1, 0};
		String a = sc.next();
		int b = Integer.parseInt(a.substring(a.length() - 1));

		System.out.println(n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon");
	}
} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int[] n = {1, 1, 0, 2, 0, 0, 1, 0, 1, 0};
		String a = sc.next();
		int b = Integer.parseInt(a.substring(a.length() - 1));

		System.out.println(n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon");
	} main {

		Scanner sc = new Scanner(System.in);

		int[] n = {1, 1, 0, 2, 0, 0, 1, 0, 1, 0};
		String a = sc.next();
		int b = Integer.parseInt(a.substring(a.length() - 1));

		System.out.println(n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int[] n = {1, 1, 0, 2, 0, 0, 1, 0, 1, 0}; n {1, 1, 0, 2, 0, 0, 1, 0, 1, 0} 1 1 0 2 0 0 1 0 1 0 String a = sc.next(); a sc.next() sc.next sc int b = Integer.parseInt(a.substring(a.length() - 1)); b Integer.parseInt(a.substring(a.length() - 1)) Integer.parseInt Integer a.substring(a.length() - 1) a.substring a a.length() - 1 a.length() a.length a 1 System.out.println(n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon") System.out.println System.out System System.out n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon" n[b] == 0 n[b] n b 0 "hon" n[b] == 1 ? "pon" : "bon" n[b] == 1 n[b] n b 1 "pon" "bon" String[] args args public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int[] n = {1, 1, 0, 2, 0, 0, 1, 0, 1, 0};
		String a = sc.next();
		int b = Integer.parseInt(a.substring(a.length() - 1));

		System.out.println(n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon");
	}
} public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int[] n = {1, 1, 0, 2, 0, 0, 1, 0, 1, 0};
		String a = sc.next();
		int b = Integer.parseInt(a.substring(a.length() - 1));

		System.out.println(n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon");
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int[] n = {1, 1, 0, 2, 0, 0, 1, 0, 1, 0};
		String a = sc.next();
		int b = Integer.parseInt(a.substring(a.length() - 1));

		System.out.println(n[b] == 0 ? "hon" : n[b] == 1 ? "pon" : "bon");
	}
}