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 % 100;
		n = n % 10;

		switch (n) {
		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);

		int n = sc.nextInt();
		n = n % 100;
		n = n % 10;

		switch (n) {
		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);

		int n = sc.nextInt();
		n = n % 100;
		n = n % 10;

		switch (n) {
		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);

		int n = sc.nextInt();
		n = n % 100;
		n = n % 10;

		switch (n) {
		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) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc n = n % 100 n n % 100 n 100 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 0:
		case 1:
		case 6:
		case 8:
			System.out.println("pon");
			break;
		case 3:
			System.out.println("bon");
			break;
		} 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 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);

		int n = sc.nextInt();
		n = n % 100;
		n = n % 10;

		switch (n) {
		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);

		int n = sc.nextInt();
		n = n % 100;
		n = n % 10;

		switch (n) {
		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);

		int n = sc.nextInt();
		n = n % 100;
		n = n % 10;

		switch (n) {
		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;
		}
	}
}