import java.util.Scanner;

public class NestedConditional {
    
     public static boolean isVowel(char letter) {
          return (
               (letter=='a') ||
               (letter=='e') ||
               (letter=='i') ||
               (letter=='o') ||
               (letter=='u') 
          );
     }

     public static boolean isUpperCase(char letter) {
          return ( (letter>='A') && (letter<='Z') );
     }
 
     public static void main(String[] args) {
          Scanner myScanner = new Scanner(System.in);
          
          System.out.print("Enter a number: ");
          double number = myScanner.nextDouble();
          
          System.out.print("Enter a word: ");
          char firstLetter = myScanner.next().charAt(0);

          if (number < 0) {
               System.out.print("Negative ");
               if (isVowel(firstLetter)) {
                    System.out.println("vowel.");
               }
               else {
                    System.out.println("consonant.");
               }
          }
          else if (number > 0) {
               System.out.print("Positive ");
               if (isUpperCase(firstLetter)) {
                    System.out.println("upper.");
               }
               else {
                    System.out.println("not upper.");
               }
          }
          else {
               System.out.println("Zero " + firstLetter);
          }
 
          myScanner.close();
     }
}

//Copyright 2010-2017 : Evan Golub