import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner scanner = new Scanner(System.in);
        String n = scanner.nextLine();
        char m = n.charAt(n.length()-1);
        int res = m - '0';
        switch (res) {
            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.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner scanner = new Scanner(System.in);
        String n = scanner.nextLine();
        char m = n.charAt(n.length()-1);
        int res = m - '0';
        switch (res) {
            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) throws Exception {
        Scanner scanner = new Scanner(System.in);
        String n = scanner.nextLine();
        char m = n.charAt(n.length()-1);
        int res = m - '0';
        switch (res) {
            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 scanner = new Scanner(System.in);
        String n = scanner.nextLine();
        char m = n.charAt(n.length()-1);
        int res = m - '0';
        switch (res) {
            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 scanner = new Scanner(System.in); scanner new Scanner(System.in) String n = scanner.nextLine(); n scanner.nextLine() scanner.nextLine scanner char m = n.charAt(n.length()-1); m n.charAt(n.length()-1) n.charAt n n.length()-1 n.length() n.length n 1 int res = m - '0'; res m - '0' m '0' switch (res) {
            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;
        } res 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) throws Exception {
        Scanner scanner = new Scanner(System.in);
        String n = scanner.nextLine();
        char m = n.charAt(n.length()-1);
        int res = m - '0';
        switch (res) {
            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) throws Exception {
        Scanner scanner = new Scanner(System.in);
        String n = scanner.nextLine();
        char m = n.charAt(n.length()-1);
        int res = m - '0';
        switch (res) {
            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.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner scanner = new Scanner(System.in);
        String n = scanner.nextLine();
        char m = n.charAt(n.length()-1);
        int res = m - '0';
        switch (res) {
            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;
        }
        
    }
}