#include <iostream>
using namespace std;

int i, j;
char num_base[10][6]		= { "zero", "one",  "two", "three", "four", "five", "six", "seven", "eight", "nine"};	// １の位のベース /
char num_highbase[10][6]	= {     "",    "", "twen",  "thir",  "for",  "fif",    "",      "",  "eigh", ""};		// １の位に[ty]をつけるものとは違う１０の位のベース /
char num_unique[4][15]		= { "ten", "eleven", "twelve", "one hundred"};								// １度しか使用しない文字 /

int main()
{
	for(i = 0; i < 10; i++)
	{
		for(j = 0; j < 10; j++)
		{
			if(i == 0)
			{
				cout << num_base[j] << endl;
			}
			else
			{
				if(i == 1)
				{
					switch(j)
					{
						case 0:
						case 1:
						case 2:
							cout << num_unique[j] << endl;
							break;

						case 3:
						case 5:
						case 8:
							cout << num_highbase[j] << "teen" << endl;
							break;

						case 4:
						case 6:
						case 7:
						case 9:
							cout << num_base[j] << "teen" << endl;
							break;
					}
				}
				else if(i == 2 || i == 3 || i == 4 || i == 5 || i == 8)
				{
					if(j == 0)
					{
							cout << num_highbase[i] << "ty" << endl;
					}
					else
					{
							cout << num_highbase[i] << "ty " << num_base[j] << endl;
					}
				}
				else
				{
					if(j == 0)
					{
							cout << num_base[i] << "ty" << endl;
					}
					else
					{
							cout << num_base[i] << "ty " << num_base[j] << endl;
					}
				}
			}
		}
	}
	cout << num_unique[3] << endl;
}