numberFrom0to100Text

import java.util.Scanner;

/**
 * Print Number 0...100 to Text
 */
public class numberFrom0to100 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int number = Integer.parseInt(scanner.nextLine());
        String [] ZeroToNineteen  = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten",
                "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" };
        String [] Tens  = { "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety", "one hundred" };
        int toTens = number / 10 - 2;
        int nineteen = number % 10;
        if (number <= 100 && number >=0 ) {    /0,1,2.....100
                if (number < 20) {            /0,1,2.....19
                    System.out.println(ZeroToNineteen[number]);
                } else if (number >= 20 && number % 10 == 0) {    // 20,30,40...100
                    System.out.println(Tens[toTens]);
                } else
                    {
                        System.out.println(Tens[toTens] + " " + ZeroToNineteen[nineteen]);
                    }

        } else {
                System.out.println("invalid number");
               }

    }
}