import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		N = N%10;
		switch(N){
		case 2:
		case 4:
		case 5:
		case 7:
		case 9:
			System.out.println("hon");
			break;
		case 3:
			System.out.println("bon");
			break;
		default:
			System.out.println("pon");
		}
	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		N = N%10;
		switch(N){
		case 2:
		case 4:
		case 5:
		case 7:
		case 9:
			System.out.println("hon");
			break;
		case 3:
			System.out.println("bon");
			break;
		default:
			System.out.println("pon");
		}
	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		N = N%10;
		switch(N){
		case 2:
		case 4:
		case 5:
		case 7:
		case 9:
			System.out.println("hon");
			break;
		case 3:
			System.out.println("bon");
			break;
		default:
			System.out.println("pon");
		}
	} main {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		N = N%10;
		switch(N){
		case 2:
		case 4:
		case 5:
		case 7:
		case 9:
			System.out.println("hon");
			break;
		case 3:
			System.out.println("bon");
			break;
		default:
			System.out.println("pon");
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc N = N%10 N N%10 N 10 switch(N){
		case 2:
		case 4:
		case 5:
		case 7:
		case 9:
			System.out.println("hon");
			break;
		case 3:
			System.out.println("bon");
			break;
		default:
			System.out.println("pon");
		} N 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 3: 3 case 3: System.out.println("bon") System.out.println System.out System System.out "bon" break; default: default: System.out.println("pon") System.out.println System.out System System.out "pon" String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		N = N%10;
		switch(N){
		case 2:
		case 4:
		case 5:
		case 7:
		case 9:
			System.out.println("hon");
			break;
		case 3:
			System.out.println("bon");
			break;
		default:
			System.out.println("pon");
		}
	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		N = N%10;
		switch(N){
		case 2:
		case 4:
		case 5:
		case 7:
		case 9:
			System.out.println("hon");
			break;
		case 3:
			System.out.println("bon");
			break;
		default:
			System.out.println("pon");
		}
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		N = N%10;
		switch(N){
		case 2:
		case 4:
		case 5:
		case 7:
		case 9:
			System.out.println("hon");
			break;
		case 3:
			System.out.println("bon");
			break;
		default:
			System.out.println("pon");
		}
	}

}
