#include <iostream>

using namespace std;

int main()
{
    int num;
    string ones,tens,hundreds,thousands,tenthousands;
    cout << "Enter a number from 0 to 99999"<< endl ;
    cin >> num;

    int numleng = to_string(num).length();  // determine how many digits was inputted

    if(num >99999 || num < 0)
    {
        cout<< "Out of range!" << endl;
    }

        if (numleng == 1)
            {
                if(num == 0){ ones = "zero";}
                if(num == 1){ ones = "one";}
                if(num == 2){ ones = "two";}
                if(num == 3){ ones = "three";}
                if(num == 4){ ones = "four";}
                if(num == 5){ ones = "five";}
                if(num == 6){ ones = "six";}
                if(num == 7){ ones = "seven";}
                if(num == 8){ ones = "eight";}
                if(num == 9){ ones = "nine";}

                cout << ones ;
            }

        else if (numleng == 2)
            {
                if (num <= 19 && num >= 10)
                    {
                        if(num == 10){ tens = "ten";}
                        if(num == 11){ tens = "eleven";}
                        if(num == 12){ tens = "twelve";}
                        if(num == 13){ tens = "thirteen";}
                        if(num == 14){ tens = "fourteen";}
                        if(num == 15){ tens = "fifteen";}
                        if(num == 16){ tens = "sixteen";}
                        if(num == 17){ tens = "seventeen";}
                        if(num == 18){ tens = "eighteen";}
                        if(num == 19){ tens = "nineteen";}

                        cout<<tens;
                    }
                else if (num <= 99 && num >=20)
                    {

                        if(num == 20){ tens = "twenty";}
                        if(num == 30){ tens = "thirty";}
                        if(num == 40){ tens = "forty";}
                        if(num == 50){ tens = "fifty";}
                        if(num == 60){ tens = "sixty";}
                        if(num == 70){ tens = "seventy";}
                        if(num == 80){ tens = "eighty";}
                        if(num == 90){ tens = "ninety";}

                        cout<< tens;
                    }
            }
        else if (numleng == 3)
            {
                int firstnum = num % 10;
                int secnum = (num / 10) % 10;
                int thirdnum = ((num / 10) / 10) % 10;
                int gethund = (num/100)*100;
                int exception = num - gethund;

                if(exception<=19 && exception >= 10 )
                {
                    if(thirdnum == 1){ hundreds = "one hundred ";}
                    if(thirdnum == 2){ hundreds = "two hundred ";}
                    if(thirdnum == 3){ hundreds = "three hundred ";}
                    if(thirdnum == 4){ hundreds = "four hundred ";}
                    if(thirdnum == 5){ hundreds = "five hundred ";}
                    if(thirdnum == 6){ hundreds = "six hundred ";}
                    if(thirdnum == 7){ hundreds = "seven hundred ";}
                    if(thirdnum == 8){ hundreds = "eight hundred ";}
                    if(thirdnum == 9){ hundreds = "nine hundred ";}

                    if(exception == 10){ tens = "ten";}
                    if(exception == 11){ tens = "eleven";}
                    if(exception == 12){ tens = "twelve";}
                    if(exception == 13){ tens = "thirteen";}
                    if(exception == 14){ tens = "fourteen";}
                    if(exception == 15){ tens = "fifteen";}
                    if(exception == 16){ tens = "sixteen";}
                    if(exception == 17){ tens = "seventeen";}
                    if(exception == 18){ tens = "eighteen";}
                    if(exception == 19){ tens = "nineteen";}

                    cout << hundreds <<  tens ;
                }
                else{
                    if(thirdnum == 1){ hundreds = "one hundred ";}
                    if(thirdnum == 2){ hundreds = "two hundred ";}
                    if(thirdnum == 3){ hundreds = "three hundred ";}
                    if(thirdnum == 4){ hundreds = "four hundred ";}
                    if(thirdnum == 5){ hundreds = "five hundred ";}
                    if(thirdnum == 6){ hundreds = "six hundred ";}
                    if(thirdnum == 7){ hundreds = "seven hundred ";}
                    if(thirdnum == 8){ hundreds = "eight hundred ";}
                    if(thirdnum == 9){ hundreds = "nine hundred ";}

                    if(secnum == 2){ tens = "twenty";}
                    if(secnum == 3){ tens = "thirty";}
                    if(secnum == 4){ tens = "forty";}
                    if(secnum == 5){ tens = "fifty";}
                    if(secnum == 6){ tens = "sixty";}
                    if(secnum == 7){ tens = "seventy";}
                    if(secnum == 8){ tens = "eighty";}
                    if(secnum == 9){ tens = "ninety";}

                    if(firstnum == 0){ ones = "";}
                    if(firstnum == 1){ ones = "one";}
                    if(firstnum == 2){ ones = "two";}
                    if(firstnum == 3){ ones = "three";}
                    if(firstnum == 4){ ones = "four";}
                    if(firstnum == 5){ ones = "five";}
                    if(firstnum == 6){ ones = "six";}
                    if(firstnum == 7){ ones = "seven";}
                    if(firstnum == 8){ ones = "eight";}
                    if(firstnum == 9){ ones = "nine";}

                    cout << hundreds << tens << " " << ones ;
                }


            }




    return 0;
}