#include <iostream>
#include <string.h>

using namespace std;


string findandreplace(int i)
{
    string s;
    int mod = 10;
    int digit,tmp;
    while(true)
    {
        tmp = i%mod;
        digit = tmp/(mod/10);

        switch(digit)
        {
        case 0:
            s = " zero" + s;
            break;
        case 1:
            s = " one" + s;
            break;
        case 2:
            s = " two" + s;
            break;
        ......
        }
        mod *= 10;
        if(tmp==i) break;
    }

    return s;
}
int main(int argc, char* argv)
{
    int input;
    std::string inp;
    cout << "input your numbers nao\n";

    do
    {
        cin >> input;
        if(cin.fail())
        {
            cin.clear();
            cin.ignore();
            cout << "invalid. try again." << endl;
        }
        else
            break;
    } while (true);

    string s = findandreplace(input);
    cout << s.c_str() << endl;

    return 0;
}