import java.util.Scanner;
import java.util.LinkedList;
import java.util.PriorityQueue;
import java.util.Queue;

public class Main {	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int x = sc.nextInt();
		
		int y = x % 10;
		
		switch(y){
			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 import java.util.LinkedList; LinkedList java.util import java.util.PriorityQueue; PriorityQueue java.util import java.util.Queue; Queue java.util public class Main {	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int x = sc.nextInt();
		
		int y = x % 10;
		
		switch(y){
			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 x = sc.nextInt();
		
		int y = x % 10;
		
		switch(y){
			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 x = sc.nextInt();
		
		int y = x % 10;
		
		switch(y){
			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 x = sc.nextInt(); x sc.nextInt() sc.nextInt sc int y = x % 10; y x % 10 x 10 switch(y){
			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;
		} y 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 x = sc.nextInt();
		
		int y = x % 10;
		
		switch(y){
			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 x = sc.nextInt();
		
		int y = x % 10;
		
		switch(y){
			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;
import java.util.LinkedList;
import java.util.PriorityQueue;
import java.util.Queue;

public class Main {	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int x = sc.nextInt();
		
		int y = x % 10;
		
		switch(y){
			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;
		}
		
	}

}