public class Main {

    public static void main (String[] args){
     int n;
     
      swich(n%10){
        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;
      }
    }
  
}
		