Numbers from 0 to 100 with words

import java.util.Scanner;
public class Main
{
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        System.out.println("Enter a number in the range 1-100");
        int number = Integer.parseInt(sc.nextLine());
        int check = number/10;
        int forSwitch = number%10;
        String firstDigit = "";
        String secondDigit = "";
        if(number < 1 || number > 100){
            System.out.println("Not a valid number!");
            System.exit(0);
        }
        if(number == 100){
            System.out.println("One hundred");
        }



            if(check >= 1){
                switch(check){
                case 1:
                    switch(forSwitch){
                        case 1:
                            System.out.println("Eleven");
                            break;
                        case 2:
                            System.out.println("Twelve");
                            break;
                        case 3:
                            System.out.println("Thirteen");
                            break;
                        case 4:
                            System.out.println("Fourteen");
                            break;
                        case 5:
                            System.out.println("Fifteen");
                            break;
                        case 6:
                            System.out.println("Sixteen");
                            break;
                        case 7:
                            System.out.println("Seventeen");
                            break;
                        case 8:
                            System.out.println("Eightteen");
                            break;
                        case 9:
                            System.out.println("Nineteen");
                            break;
                       default:
                            System.out.println("Ten");
                            break;
                    }
                    break;
               case 2:
                    firstDigit = "Twenty ";
                    break;
               case 3:
                    firstDigit = "Thirty ";
                    break;
               case 4:
                    firstDigit = "Fourty ";
                    break;
               case 5:
                    firstDigit = "Five ";
                    break;
               case 6:
                    firstDigit = "Sixty ";
                    break;
               case 7:
                    firstDigit = "Seventy ";
                    break;
               case 8:
                    firstDigit = "Eighty ";
                    break;
               case 9:
                    firstDigit = "Ninety ";
                    break;
               default:
                    firstDigit = "";
                    break;
            }
        }

        switch(forSwitch){
               case 1:
                    secondDigit = "one";
                    break;
               case 2:
                    secondDigit = "two";
                    break;
               case 3:
                    secondDigit = "three";
                    break;
               case 4:
                    secondDigit = "four";
                    break;
               case 5:
                    secondDigit = "five";
                    break;
               case 6:
                    secondDigit = "six";
                    break;
               case 7:
                    secondDigit = "seven";
                    break;
               case 8:
                    secondDigit = "eight";
                    break;
               case 9:
                    secondDigit = "nine";
                    break;
               default:
                    secondDigit = "";
                    break;

        }


        System.out.println(firstDigit + secondDigit);

    }
}