#include<fstream>
#include<iostream>
#include <vector>
#include <string>
int stepen(int y, int r) {
    int z = y;
    for (int q = 2; q <= r; q++) {
        z = y * z;
    }
    if (r == 0) { return 1; }
    else { return z; }
}/*функция степени*/
int modul(int y) {
    if (y >= 0) { return y; }
    else { return -y; }
}/*функция модуля*/
using namespace std;
int main()
{

    int N;
    ifstream fin("filename1.txt");
    ofstream fout("filename2.txt");
    while (!fin.eof()) {
        fin >> N;
        int g = 0;/*хождение по числу*/
        int N;/*наше число*/
        vector<long>Chislo;/*запихаем в вектор число*/
        int R = modul(N), k = 1;/*1)модуль 2)кол-во цифр*/
        while (R >= 10) {
            R /= 10;
            k++;
        }/*выясняем кол-во цифр*/
        R = modul(N);
        int s = 0;/*номер цифры*/
        while (k != 0) {
            int a = R % stepen(10, s + 1) / stepen(10, s);
            Chislo.insert(Chislo.begin() + 0, a);
            k--;
            s++;
        }/*пихаем в массив*/
        vector <const char*> ones{ "", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };/*единицы*/
        vector<const char*> tens{ "", "", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety" };/*десятки*/
        vector <const char*> exceptions{ "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" };/*исключения из десяток*/
        vector<const char*> big{ "", "hundred","thousand", "million", "billion" };/*большие числа*/
        if (N == 0) { fout << "zero"; }/*если ноль*/
        else
        {
            if (N < 0) { fout << "minus "; }
            while (Chislo.size() > 0) {
                if (Chislo.size() % 3 == 0) /*если 3 цифры*/
                {
                    if (Chislo[g] != 0) { fout << ones[Chislo[g]] << " " << big[1] << " "; }
                    if (Chislo[g + 1] == 1) { fout << exceptions[Chislo[g + 2]] << " "; }
                    else if (Chislo[g + 1] == 0 && Chislo[g + 2] != 0) { fout << ones[Chislo[g + 2]] << " "; }
                    else if (Chislo[g + 1] == 0 && Chislo[g + 2] == 0) { fout << ""; }
                    else if (Chislo[g + 1] != 0 && Chislo[g + 2] != 0) { fout << tens[Chislo[g + 1]] << " " << ones[Chislo[g + 2]] << " "; }
                    else { fout << tens[Chislo[g + 1]] << " "; }
                    if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 3) / 3 == 0) { fout << big[0] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 3) / 3 == 1) { fout << big[2] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 3) / 3 == 2) { fout << big[3] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 3) / 3 == 2) { fout << big[4] << " "; }
                }
                else if (Chislo.size() % 3 == 2) /*если 2 цифры*/
                {
                    if (Chislo[g] == 1) { fout << exceptions[Chislo[g + 1]] << " "; }
                    else { fout << tens[Chislo[g]] << " " << ones[Chislo[g + 1]] << " "; }
                    if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 2) / 3 == 0) { fout << big[0] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 2) / 3 == 1) { fout << big[2] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 2) / 3 == 2) { fout << big[3] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 2) / 3 == 2) { fout << big[4] << " "; }
                }
                else /*если 1 цифры*/
                {
                    fout << ones[Chislo[g]] << " ";
                    if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 1) / 3 == 0) { fout << big[0] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 1) / 3 == 1) { fout << big[2] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 1) / 3 == 2) { fout << big[3] << " "; }
                    else if ((Chislo[g] != 0 || Chislo[g + 1] != 0 || Chislo[g + 2] != 0) && (Chislo.size() - 1) / 3 == 2) { fout << big[4] << " "; }
                }
                if (Chislo.size() % 3 == 0)
                {
                    Chislo.erase(Chislo.begin());
                    Chislo.erase(Chislo.begin());
                    Chislo.erase(Chislo.begin());
                }/*Если 3 числа, то убираем 3 в начале*/
                else if (Chislo.size() % 3 == 2)
                {
                    Chislo.erase(Chislo.begin());
                    Chislo.erase(Chislo.begin());
                }/*Если 2 числа, то убираем 2 в начале*/
                else { Chislo.erase(Chislo.begin()); }/*Если 1 число, то убираем 1 в начале*/
            }
        }
    }
    fin.close();
    fout.close();
    return 0;
    }